Subtract 70/28 from 80/8
1st number: 10 0/8, 2nd number: 2 14/28
80/8 - 70/28 is 15/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
80/8 = 80 × 7/8 × 7 = 560/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
70/28 = 70 × 2/28 × 2 = 140/56 - Subtract the two like fractions:
560/56 - 140/56 = 560 - 140/56 = 420/56 - After reducing the fraction, the answer is 15/2
- In mixed form: 71/2
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