Subtract 36/63 from 90/5
1st number: 18 0/5, 2nd number: 36/63
90/5 - 36/63 is 122/7.
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,
36/63 = 36 × 5/63 × 5 = 180/315 - Subtract the two like fractions:
5670/315 - 180/315 = 5670 - 180/315 = 5490/315 - After reducing the fraction, the answer is 122/7
- In mixed form: 173/7
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