Solutions by everydaycalculation.com

7/15 + 25/36 is 209/180.

1. Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
2. For the 1st fraction, since 15 × 12 = 180,
7/15 = 7 × 12/15 × 12 = 84/180
3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
25/36 = 25 × 5/36 × 5 = 125/180 Download our mobile app and learn to work with fractions in your own time:
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