Subtract 28/18 from 49/45
1st number: 1 4/45, 2nd number: 1 10/18
49/45 - 28/18 is -7/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
49/45 = 49 × 2/45 × 2 = 98/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
28/18 = 28 × 5/18 × 5 = 140/90 - Subtract the two like fractions:
98/90 - 140/90 = 98 - 140/90 = -42/90 - After reducing the fraction, the answer is -7/15
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