Add 21/7 and 28/32
1st number: 3 0/7, 2nd number: 28/32
21/7 + 28/32 is 31/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 32 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 7 × 32 = 224,
21/7 = 21 × 32/7 × 32 = 672/224 - Likewise, for the 2nd fraction, since 32 × 7 = 224,
28/32 = 28 × 7/32 × 7 = 196/224 - Add the two like fractions:
672/224 + 196/224 = 672 + 196/224 = 868/224 - 868/224 simplified gives 31/8
- So, 21/7 + 28/32 = 31/8
In mixed form: 37/8
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