Subtract 80/56 from 50/21
1st number: 2 8/21, 2nd number: 1 24/56
50/21 - 80/56 is 20/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
50/21 = 50 × 8/21 × 8 = 400/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
80/56 = 80 × 3/56 × 3 = 240/168 - Subtract the two like fractions:
400/168 - 240/168 = 400 - 240/168 = 160/168 - After reducing the fraction, the answer is 20/21
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