Subtract 21/63 from 75/18
1st number: 4 3/18, 2nd number: 21/63
75/18 - 21/63 is 23/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
75/18 = 75 × 7/18 × 7 = 525/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
21/63 = 21 × 2/63 × 2 = 42/126 - Subtract the two like fractions:
525/126 - 42/126 = 525 - 42/126 = 483/126 - After reducing the fraction, the answer is 23/6
- In mixed form: 35/6
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