Subtract 16/45 from 45/20
1st number: 2 5/20, 2nd number: 16/45
45/20 - 16/45 is 341/180.
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,
45/20 = 45 × 9/20 × 9 = 405/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
16/45 = 16 × 4/45 × 4 = 64/180 - Subtract the two like fractions:
405/180 - 64/180 = 405 - 64/180 = 341/180 - In mixed form: 1161/180
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