Subtract 8/28 from 90/15
1st number: 6 0/15, 2nd number: 8/28
90/15 - 8/28 is 40/7.
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,
8/28 = 8 × 15/28 × 15 = 120/420 - Subtract the two like fractions:
2520/420 - 120/420 = 2520 - 120/420 = 2400/420 - After reducing the fraction, the answer is 40/7
- In mixed form: 55/7
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