Subtract 7/15 from 28/8
1st number: 3 4/8, 2nd number: 7/15
28/8 - 7/15 is 91/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
28/8 = 28 × 15/8 × 15 = 420/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
7/15 = 7 × 8/15 × 8 = 56/120 - Subtract the two like fractions:
420/120 - 56/120 = 420 - 56/120 = 364/120 - After reducing the fraction, the answer is 91/30
- In mixed form: 31/30
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