Subtract 90/75 from 45/28
1st number: 1 17/28, 2nd number: 1 15/75
45/28 - 90/75 is 57/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 28 × 75 = 2100,
45/28 = 45 × 75/28 × 75 = 3375/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
90/75 = 90 × 28/75 × 28 = 2520/2100 - Subtract the two like fractions:
3375/2100 - 2520/2100 = 3375 - 2520/2100 = 855/2100 - After reducing the fraction, the answer is 57/140
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