Subtract 40/28 from 70/27
1st number: 2 16/27, 2nd number: 1 12/28
70/27 - 40/28 is 220/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
70/27 = 70 × 28/27 × 28 = 1960/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
40/28 = 40 × 27/28 × 27 = 1080/756 - Subtract the two like fractions:
1960/756 - 1080/756 = 1960 - 1080/756 = 880/756 - After reducing the fraction, the answer is 220/189
- In mixed form: 131/189
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