Add 21/32 and 7/20
21/32 + 7/20 is 161/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
21/32 = 21 × 5/32 × 5 = 105/160 - Likewise, for the 2nd fraction, since 20 × 8 = 160,
7/20 = 7 × 8/20 × 8 = 56/160 - Add the two like fractions:
105/160 + 56/160 = 105 + 56/160 = 161/160 - So, 21/32 + 7/20 = 161/160
In mixed form: 11/160
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