Subtract 90/28 from 4/90
1st number: 4/90, 2nd number: 3 6/28
4/90 - 90/28 is -1997/630.
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,
4/90 = 4 × 14/90 × 14 = 56/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
90/28 = 90 × 45/28 × 45 = 4050/1260 - Subtract the two like fractions:
56/1260 - 4050/1260 = 56 - 4050/1260 = -3994/1260 - After reducing the fraction, the answer is -1997/630
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