Subtract 42/70 from 5/2
1st number: 2 1/2, 2nd number: 42/70
5/2 - 42/70 is 19/10.
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,
5/2 = 5 × 35/2 × 35 = 175/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
42/70 = 42 × 1/70 × 1 = 42/70 - Subtract the two like fractions:
175/70 - 42/70 = 175 - 42/70 = 133/70 - After reducing the fraction, the answer is 19/10
- In mixed form: 19/10
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