Subtract 42/20 from 40/6
1st number: 6 4/6, 2nd number: 2 2/20
40/6 - 42/20 is 137/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
40/6 = 40 × 10/6 × 10 = 400/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
42/20 = 42 × 3/20 × 3 = 126/60 - Subtract the two like fractions:
400/60 - 126/60 = 400 - 126/60 = 274/60 - After reducing the fraction, the answer is 137/30
- In mixed form: 417/30
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