Subtract 42/40 from 72/2
1st number: 36 0/2, 2nd number: 1 2/40
72/2 - 42/40 is 699/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
72/2 = 72 × 20/2 × 20 = 1440/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
42/40 = 42 × 1/40 × 1 = 42/40 - Subtract the two like fractions:
1440/40 - 42/40 = 1440 - 42/40 = 1398/40 - After reducing the fraction, the answer is 699/20
- In mixed form: 3419/20
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