Subtract 81/56 from 42/10
1st number: 4 2/10, 2nd number: 1 25/56
42/10 - 81/56 is 771/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 10 × 28 = 280,
42/10 = 42 × 28/10 × 28 = 1176/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
81/56 = 81 × 5/56 × 5 = 405/280 - Subtract the two like fractions:
1176/280 - 405/280 = 1176 - 405/280 = 771/280 - In mixed form: 2211/280
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