Subtract 20/70 from 3/2
1st number: 1 1/2, 2nd number: 20/70
3/2 - 20/70 is 17/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
3/2 = 3 × 35/2 × 35 = 105/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
20/70 = 20 × 1/70 × 1 = 20/70 - Subtract the two like fractions:
105/70 - 20/70 = 105 - 20/70 = 85/70 - After reducing the fraction, the answer is 17/14
- In mixed form: 13/14
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