Subtract 1/40 from 42/5
1st number: 8 2/5, 2nd number: 1/40
42/5 - 1/40 is 67/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
42/5 = 42 × 8/5 × 8 = 336/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
1/40 = 1 × 1/40 × 1 = 1/40 - Subtract the two like fractions:
336/40 - 1/40 = 336 - 1/40 = 335/40 - After reducing the fraction, the answer is 67/8
- In mixed form: 83/8
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