Subtract 21/12 from 70/2
1st number: 35 0/2, 2nd number: 1 9/12
70/2 - 21/12 is 133/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 2 × 6 = 12,
70/2 = 70 × 6/2 × 6 = 420/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
21/12 = 21 × 1/12 × 1 = 21/12 - Subtract the two like fractions:
420/12 - 21/12 = 420 - 21/12 = 399/12 - After reducing the fraction, the answer is 133/4
- In mixed form: 331/4
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