Subtract 8/21 from 70/6
1st number: 11 4/6, 2nd number: 8/21
70/6 - 8/21 is 79/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
70/6 = 70 × 7/6 × 7 = 490/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
8/21 = 8 × 2/21 × 2 = 16/42 - Subtract the two like fractions:
490/42 - 16/42 = 490 - 16/42 = 474/42 - After reducing the fraction, the answer is 79/7
- In mixed form: 112/7
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