Subtract 7/63 from 90/5
1st number: 18 0/5, 2nd number: 7/63
90/5 - 7/63 is 161/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
90/5 = 90 × 63/5 × 63 = 5670/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
7/63 = 7 × 5/63 × 5 = 35/315 - Subtract the two like fractions:
5670/315 - 35/315 = 5670 - 35/315 = 5635/315 - After reducing the fraction, the answer is 161/9
- In mixed form: 178/9
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