Subtract 90/36 from 3/28
1st number: 3/28, 2nd number: 2 18/36
3/28 - 90/36 is -67/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
3/28 = 3 × 9/28 × 9 = 27/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
90/36 = 90 × 7/36 × 7 = 630/252 - Subtract the two like fractions:
27/252 - 630/252 = 27 - 630/252 = -603/252 - After reducing the fraction, the answer is -67/28
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