Subtract 18/32 from 21/5
1st number: 4 1/5, 2nd number: 18/32
21/5 - 18/32 is 291/80.
Steps for subtracting 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,
18/32 = 18 × 5/32 × 5 = 90/160 - Subtract the two like fractions:
672/160 - 90/160 = 672 - 90/160 = 582/160 - After reducing the fraction, the answer is 291/80
- In mixed form: 351/80
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