Subtract 8/36 from 90/70
1st number: 1 20/70, 2nd number: 8/36
90/70 - 8/36 is 67/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 70 × 18 = 1260,
90/70 = 90 × 18/70 × 18 = 1620/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
8/36 = 8 × 35/36 × 35 = 280/1260 - Subtract the two like fractions:
1620/1260 - 280/1260 = 1620 - 280/1260 = 1340/1260 - After reducing the fraction, the answer is 67/63
- In mixed form: 14/63
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