Subtract 35/20 from 45/63
1st number: 45/63, 2nd number: 1 15/20
45/63 - 35/20 is -29/28.
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,
45/63 = 45 × 20/63 × 20 = 900/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
35/20 = 35 × 63/20 × 63 = 2205/1260 - Subtract the two like fractions:
900/1260 - 2205/1260 = 900 - 2205/1260 = -1305/1260 - After reducing the fraction, the answer is -29/28
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