Subtract 7/56 from 21/5
1st number: 4 1/5, 2nd number: 7/56
21/5 - 7/56 is 163/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 5 × 56 = 280,
21/5 = 21 × 56/5 × 56 = 1176/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
7/56 = 7 × 5/56 × 5 = 35/280 - Subtract the two like fractions:
1176/280 - 35/280 = 1176 - 35/280 = 1141/280 - After reducing the fraction, the answer is 163/40
- In mixed form: 43/40
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