Subtract 40/63 from 18/4
1st number: 4 2/4, 2nd number: 40/63
18/4 - 40/63 is 487/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
18/4 = 18 × 63/4 × 63 = 1134/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
40/63 = 40 × 4/63 × 4 = 160/252 - Subtract the two like fractions:
1134/252 - 160/252 = 1134 - 160/252 = 974/252 - After reducing the fraction, the answer is 487/126
- In mixed form: 3109/126
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