Subtract 4/20 from 45/36
1st number: 1 9/36, 2nd number: 4/20
45/36 - 4/20 is 21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
45/36 = 45 × 5/36 × 5 = 225/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
4/20 = 4 × 9/20 × 9 = 36/180 - Subtract the two like fractions:
225/180 - 36/180 = 225 - 36/180 = 189/180 - After reducing the fraction, the answer is 21/20
- In mixed form: 11/20
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