Subtract 8/28 from 70/15
1st number: 4 10/15, 2nd number: 8/28
70/15 - 8/28 is 92/21.
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,
70/15 = 70 × 28/15 × 28 = 1960/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
8/28 = 8 × 15/28 × 15 = 120/420 - Subtract the two like fractions:
1960/420 - 120/420 = 1960 - 120/420 = 1840/420 - After reducing the fraction, the answer is 92/21
- In mixed form: 48/21
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