Subtract 70/27 from 90/20
1st number: 4 10/20, 2nd number: 2 16/27
90/20 - 70/27 is 103/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
90/20 = 90 × 27/20 × 27 = 2430/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
70/27 = 70 × 20/27 × 20 = 1400/540 - Subtract the two like fractions:
2430/540 - 1400/540 = 2430 - 1400/540 = 1030/540 - After reducing the fraction, the answer is 103/54
- In mixed form: 149/54
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