Subtract 40/28 from 50/90
1st number: 50/90, 2nd number: 1 12/28
50/90 - 40/28 is -55/63.
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,
50/90 = 50 × 14/90 × 14 = 700/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
40/28 = 40 × 45/28 × 45 = 1800/1260 - Subtract the two like fractions:
700/1260 - 1800/1260 = 700 - 1800/1260 = -1100/1260 - After reducing the fraction, the answer is -55/63
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