Subtract 7/90 from 90/28
1st number: 3 6/28, 2nd number: 7/90
90/28 - 7/90 is 988/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
90/28 = 90 × 45/28 × 45 = 4050/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
7/90 = 7 × 14/90 × 14 = 98/1260 - Subtract the two like fractions:
4050/1260 - 98/1260 = 4050 - 98/1260 = 3952/1260 - After reducing the fraction, the answer is 988/315
- In mixed form: 343/315
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