Subtract 70/12 from 90/14
1st number: 6 6/14, 2nd number: 5 10/12
90/14 - 70/12 is 25/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
90/14 = 90 × 6/14 × 6 = 540/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
70/12 = 70 × 7/12 × 7 = 490/84 - Subtract the two like fractions:
540/84 - 490/84 = 540 - 490/84 = 50/84 - After reducing the fraction, the answer is 25/42
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