Add 15/16 and 21/35
15/16 + 21/35 is 123/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 35 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 16 × 35 = 560,
15/16 = 15 × 35/16 × 35 = 525/560 - Likewise, for the 2nd fraction, since 35 × 16 = 560,
21/35 = 21 × 16/35 × 16 = 336/560 - Add the two like fractions:
525/560 + 336/560 = 525 + 336/560 = 861/560 - 861/560 simplified gives 123/80
- So, 15/16 + 21/35 = 123/80
In mixed form: 143/80
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