Fraction is one of the important topics in learning mathematics. However, it is still challenging for students. Lack of students’ mastery of the prerequisite topics might be one of the potential causes. For this reason, this study aims to: 1) Investigate whether students’ mastery of fractions and prerequisite topics in the 7th grade of a junior high school in Banda Aceh, Indonesia has reached the minimum learning mastery standard and 2) Investigate the relationship between students’ mastery of fractions and their abilities to understand the prerequisite topics in the 7th grade of a junior high school in Banda Aceh, Indonesia. This study used a quantitative approach. Data were collected from 50 students selected randomly from all of the 7th grade students in the junior high school. The results showed that the students’ mastery of fractions and their abilities to understand the prerequisites has achieved the minimum learning mastery standard. Also, there is a significant relationship between students’ fractions mastery and their abilities in the prerequisites. Finally, the lack of students’ mastery of the prerequisites resulted in students’ beliefs that the concept of fractions is difficult.

Masyarakat desa tersebut mayoritas mempunyai matapencaharian sebagai pekebun dan petani. Namun sebagian mitra tidak mengetahui tentang pentingnya meminum air. Mitra lebih terbiasa meminum air teh dan kopi tanpa diimbangi dengan meminum air putih. Adanya pelatihan pembuatan infused water ini telah membuka pengetahuan, wawasan dan pemahaman mitra bahwa meminum air putih adalah penting untuk menghindari dehidrasi dan detoksifikasi tubuh. Adanya pelatihan ini, mitra mengetahui akan pentingnya sayur dan buah dalam konsumsi harian mereka. Metode pengabdian kepada masyarakat yang digunakan adalah pelaksanaan pre test, ceramah, pelatihan, tanya jawab, pelaksanaan post test, uji organoleptik, penilaian dan evaluasi mitra terhadap tim pengabdi. Hasil akhir menunjukkan terdapat peningkatan terhadap pengetahuan, pemahaman dan keterampilan mitra untuk membuat infused water. Mitra menunjukkan perasaan yang antusias, puas hati dan gembira selama mengikuti program ini.