Subtract 1/40 from 20/10
1st number: 2 0/10, 2nd number: 1/40
20/10 - 1/40 is 79/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
20/10 = 20 × 4/10 × 4 = 80/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
1/40 = 1 × 1/40 × 1 = 1/40 - Subtract the two like fractions:
80/40 - 1/40 = 80 - 1/40 = 79/40 - In mixed form: 139/40
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