Subtract 42/80 from 80/2
1st number: 40 0/2, 2nd number: 42/80
80/2 - 42/80 is 1579/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
80/2 = 80 × 40/2 × 40 = 3200/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
42/80 = 42 × 1/80 × 1 = 42/80 - Subtract the two like fractions:
3200/80 - 42/80 = 3200 - 42/80 = 3158/80 - After reducing the fraction, the answer is 1579/40
- In mixed form: 3919/40
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