Add 21/5 and 81/32
1st number: 4 1/5, 2nd number: 2 17/32
21/5 + 81/32 is 1077/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 5 × 32 = 160,
21/5 = 21 × 32/5 × 32 = 672/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
81/32 = 81 × 5/32 × 5 = 405/160 - Add the two like fractions:
672/160 + 405/160 = 672 + 405/160 = 1077/160 - So, 21/5 + 81/32 = 1077/160
In mixed form: 6117/160
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