Subtract 49/18 from 28/45
1st number: 28/45, 2nd number: 2 13/18
28/45 - 49/18 is -21/10.
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,
28/45 = 28 × 2/45 × 2 = 56/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
49/18 = 49 × 5/18 × 5 = 245/90 - Subtract the two like fractions:
56/90 - 245/90 = 56 - 245/90 = -189/90 - After reducing the fraction, the answer is -21/10
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