Subtract 20/12 from 70/8
1st number: 8 6/8, 2nd number: 1 8/12
70/8 - 20/12 is 85/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
70/8 = 70 × 3/8 × 3 = 210/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
20/12 = 20 × 2/12 × 2 = 40/24 - Subtract the two like fractions:
210/24 - 40/24 = 210 - 40/24 = 170/24 - After reducing the fraction, the answer is 85/12
- In mixed form: 71/12
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