Subtract 70/28 from 90/6
1st number: 15 0/6, 2nd number: 2 14/28
90/6 - 70/28 is 25/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
90/6 = 90 × 14/6 × 14 = 1260/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
70/28 = 70 × 3/28 × 3 = 210/84 - Subtract the two like fractions:
1260/84 - 210/84 = 1260 - 210/84 = 1050/84 - After reducing the fraction, the answer is 25/2
- In mixed form: 121/2
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