Subtract 84/28 from 36/90
1st number: 36/90, 2nd number: 3 0/28
36/90 - 84/28 is -13/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
36/90 = 36 × 14/90 × 14 = 504/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
84/28 = 84 × 45/28 × 45 = 3780/1260 - Subtract the two like fractions:
504/1260 - 3780/1260 = 504 - 3780/1260 = -3276/1260 - After reducing the fraction, the answer is -13/5
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