Add 5/21 and 81/32
1st number: 5/21, 2nd number: 2 17/32
5/21 + 81/32 is 1861/672.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
5/21 = 5 × 32/21 × 32 = 160/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
81/32 = 81 × 21/32 × 21 = 1701/672 - Add the two like fractions:
160/672 + 1701/672 = 160 + 1701/672 = 1861/672 - So, 5/21 + 81/32 = 1861/672
In mixed form: 2517/672
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