Subtract 70/54 from 90/20
1st number: 4 10/20, 2nd number: 1 16/54
90/20 - 70/54 is 173/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 54 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 54 × 10 = 540,
70/54 = 70 × 10/54 × 10 = 700/540 - Subtract the two like fractions:
2430/540 - 700/540 = 2430 - 700/540 = 1730/540 - After reducing the fraction, the answer is 173/54
- In mixed form: 311/54
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