Subtract 3/63 from 90/12
1st number: 7 6/12, 2nd number: 3/63
90/12 - 3/63 is 313/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
90/12 = 90 × 21/12 × 21 = 1890/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
3/63 = 3 × 4/63 × 4 = 12/252 - Subtract the two like fractions:
1890/252 - 12/252 = 1890 - 12/252 = 1878/252 - After reducing the fraction, the answer is 313/42
- In mixed form: 719/42
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