Subtract 63/72 from 90/18
1st number: 5 0/18, 2nd number: 63/72
90/18 - 63/72 is 33/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
90/18 = 90 × 4/18 × 4 = 360/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
63/72 = 63 × 1/72 × 1 = 63/72 - Subtract the two like fractions:
360/72 - 63/72 = 360 - 63/72 = 297/72 - After reducing the fraction, the answer is 33/8
- In mixed form: 41/8
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