Subtract 28/30 from 45/25
1st number: 1 20/25, 2nd number: 28/30
45/25 - 28/30 is 13/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
45/25 = 45 × 6/25 × 6 = 270/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
28/30 = 28 × 5/30 × 5 = 140/150 - Subtract the two like fractions:
270/150 - 140/150 = 270 - 140/150 = 130/150 - After reducing the fraction, the answer is 13/15
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