Subtract 80/24 from 1/21
1st number: 1/21, 2nd number: 3 8/24
1/21 - 80/24 is -23/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
1/21 = 1 × 8/21 × 8 = 8/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
80/24 = 80 × 7/24 × 7 = 560/168 - Subtract the two like fractions:
8/168 - 560/168 = 8 - 560/168 = -552/168 - After reducing the fraction, the answer is -23/7
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