Add 25/28 and 7/15
25/28 + 7/15 is 571/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
25/28 = 25 × 15/28 × 15 = 375/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
7/15 = 7 × 28/15 × 28 = 196/420 - Add the two like fractions:
375/420 + 196/420 = 375 + 196/420 = 571/420 - So, 25/28 + 7/15 = 571/420
In mixed form: 1151/420
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