Subtract 20/84 from 56/8
1st number: 7 0/8, 2nd number: 20/84
56/8 - 20/84 is 142/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
56/8 = 56 × 21/8 × 21 = 1176/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
20/84 = 20 × 2/84 × 2 = 40/168 - Subtract the two like fractions:
1176/168 - 40/168 = 1176 - 40/168 = 1136/168 - After reducing the fraction, the answer is 142/21
- In mixed form: 616/21
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