Subtract 90/18 from 63/5
1st number: 12 3/5, 2nd number: 5 0/18
63/5 - 90/18 is 38/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
63/5 = 63 × 18/5 × 18 = 1134/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
90/18 = 90 × 5/18 × 5 = 450/90 - Subtract the two like fractions:
1134/90 - 450/90 = 1134 - 450/90 = 684/90 - After reducing the fraction, the answer is 38/5
- In mixed form: 73/5
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