Add 21/35 and 9/16
21/35 + 9/16 is 93/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 35 × 16 = 560,
21/35 = 21 × 16/35 × 16 = 336/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
9/16 = 9 × 35/16 × 35 = 315/560 - Add the two like fractions:
336/560 + 315/560 = 336 + 315/560 = 651/560 - 651/560 simplified gives 93/80
- So, 21/35 + 9/16 = 93/80
In mixed form: 113/80
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