Add 21/35 and 20/32
21/35 + 20/32 is 49/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 32 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 35 × 32 = 1120,
21/35 = 21 × 32/35 × 32 = 672/1120 - Likewise, for the 2nd fraction, since 32 × 35 = 1120,
20/32 = 20 × 35/32 × 35 = 700/1120 - Add the two like fractions:
672/1120 + 700/1120 = 672 + 700/1120 = 1372/1120 - 1372/1120 simplified gives 49/40
- So, 21/35 + 20/32 = 49/40
In mixed form: 19/40
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