Subtract 3/63 from 90/60
1st number: 1 30/60, 2nd number: 3/63
90/60 - 3/63 is 61/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 60 × 21 = 1260,
90/60 = 90 × 21/60 × 21 = 1890/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
3/63 = 3 × 20/63 × 20 = 60/1260 - Subtract the two like fractions:
1890/1260 - 60/1260 = 1890 - 60/1260 = 1830/1260 - After reducing the fraction, the answer is 61/42
- In mixed form: 119/42
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