Subtract 3/28 from 90/15
1st number: 6 0/15, 2nd number: 3/28
90/15 - 3/28 is 165/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
90/15 = 90 × 28/15 × 28 = 2520/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
3/28 = 3 × 15/28 × 15 = 45/420 - Subtract the two like fractions:
2520/420 - 45/420 = 2520 - 45/420 = 2475/420 - After reducing the fraction, the answer is 165/28
- In mixed form: 525/28
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