Subtract 20/7 from 8/10
1st number: 8/10, 2nd number: 2 6/7
8/10 - 20/7 is -72/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
8/10 = 8 × 7/10 × 7 = 56/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
20/7 = 20 × 10/7 × 10 = 200/70 - Subtract the two like fractions:
56/70 - 200/70 = 56 - 200/70 = -144/70 - After reducing the fraction, the answer is -72/35
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