Subtract 12/40 from 20/4
1st number: 5 0/4, 2nd number: 12/40
20/4 - 12/40 is 47/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
20/4 = 20 × 10/4 × 10 = 200/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
12/40 = 12 × 1/40 × 1 = 12/40 - Subtract the two like fractions:
200/40 - 12/40 = 200 - 12/40 = 188/40 - After reducing the fraction, the answer is 47/10
- In mixed form: 47/10
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