Subtract 21/5 from 20/32
1st number: 20/32, 2nd number: 4 1/5
20/32 - 21/5 is -143/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 5 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
20/32 = 20 × 5/32 × 5 = 100/160 - Likewise, for the 2nd fraction, since 5 × 32 = 160,
21/5 = 21 × 32/5 × 32 = 672/160 - Subtract the two like fractions:
100/160 - 672/160 = 100 - 672/160 = -572/160 - After reducing the fraction, the answer is -143/40
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