Subtract 90/36 from 70/7
1st number: 10 0/7, 2nd number: 2 18/36
70/7 - 90/36 is 15/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 7 × 36 = 252,
70/7 = 70 × 36/7 × 36 = 2520/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
90/36 = 90 × 7/36 × 7 = 630/252 - Subtract the two like fractions:
2520/252 - 630/252 = 2520 - 630/252 = 1890/252 - After reducing the fraction, the answer is 15/2
- In mixed form: 71/2
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