Subtract 1/20 from 75/63
1st number: 1 12/63, 2nd number: 1/20
75/63 - 1/20 is 479/420.
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,
75/63 = 75 × 20/63 × 20 = 1500/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
1/20 = 1 × 63/20 × 63 = 63/1260 - Subtract the two like fractions:
1500/1260 - 63/1260 = 1500 - 63/1260 = 1437/1260 - After reducing the fraction, the answer is 479/420
- In mixed form: 159/420
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