Subtract 2/20 from 70/63
1st number: 1 7/63, 2nd number: 2/20
70/63 - 2/20 is 91/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
70/63 = 70 × 20/63 × 20 = 1400/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
2/20 = 2 × 63/20 × 63 = 126/1260 - Subtract the two like fractions:
1400/1260 - 126/1260 = 1400 - 126/1260 = 1274/1260 - After reducing the fraction, the answer is 91/90
- In mixed form: 11/90
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