Add 21/50 and 15/28
21/50 + 15/28 is 669/700.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 50 × 14 = 700,
21/50 = 21 × 14/50 × 14 = 294/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
15/28 = 15 × 25/28 × 25 = 375/700 - Add the two like fractions:
294/700 + 375/700 = 294 + 375/700 = 669/700 - So, 21/50 + 15/28 = 669/700
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