Subtract 90/5 from 36/28
1st number: 1 8/28, 2nd number: 18 0/5
36/28 - 90/5 is -117/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
36/28 = 36 × 5/28 × 5 = 180/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
90/5 = 90 × 28/5 × 28 = 2520/140 - Subtract the two like fractions:
180/140 - 2520/140 = 180 - 2520/140 = -2340/140 - After reducing the fraction, the answer is -117/7
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