Subtract 49/40 from 20/63
1st number: 20/63, 2nd number: 1 9/40
20/63 - 49/40 is -2287/2520.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 63 × 40 = 2520,
20/63 = 20 × 40/63 × 40 = 800/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
49/40 = 49 × 63/40 × 63 = 3087/2520 - Subtract the two like fractions:
800/2520 - 3087/2520 = 800 - 3087/2520 = -2287/2520
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