Subtract 1/45 from 36/20
1st number: 1 16/20, 2nd number: 1/45
36/20 - 1/45 is 16/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
36/20 = 36 × 9/20 × 9 = 324/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
1/45 = 1 × 4/45 × 4 = 4/180 - Subtract the two like fractions:
324/180 - 4/180 = 324 - 4/180 = 320/180 - After reducing the fraction, the answer is 16/9
- In mixed form: 17/9
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