Subtract 21/7 from 7/32
1st number: 7/32, 2nd number: 3 0/7
7/32 - 21/7 is -89/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 7 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 32 × 7 = 224,
7/32 = 7 × 7/32 × 7 = 49/224 - Likewise, for the 2nd fraction, since 7 × 32 = 224,
21/7 = 21 × 32/7 × 32 = 672/224 - Subtract the two like fractions:
49/224 - 672/224 = 49 - 672/224 = -623/224 - After reducing the fraction, the answer is -89/32
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