Subtract 20/45 from 16/5
1st number: 3 1/5, 2nd number: 20/45
16/5 - 20/45 is 124/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
16/5 = 16 × 9/5 × 9 = 144/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
20/45 = 20 × 1/45 × 1 = 20/45 - Subtract the two like fractions:
144/45 - 20/45 = 144 - 20/45 = 124/45 - In mixed form: 234/45
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