Subtract 4/36 from 90/72
1st number: 1 18/72, 2nd number: 4/36
90/72 - 4/36 is 41/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
4/36 = 4 × 2/36 × 2 = 8/72 - Subtract the two like fractions:
90/72 - 8/72 = 90 - 8/72 = 82/72 - After reducing the fraction, the answer is 41/36
- In mixed form: 15/36
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