Subtract 28/90 from 8/5
1st number: 1 3/5, 2nd number: 28/90
8/5 - 28/90 is 58/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
8/5 = 8 × 18/5 × 18 = 144/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
28/90 = 28 × 1/90 × 1 = 28/90 - Subtract the two like fractions:
144/90 - 28/90 = 144 - 28/90 = 116/90 - After reducing the fraction, the answer is 58/45
- In mixed form: 113/45
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