Subtract 90/24 from 54/45
1st number: 1 9/45, 2nd number: 3 18/24
54/45 - 90/24 is -51/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
54/45 = 54 × 8/45 × 8 = 432/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
90/24 = 90 × 15/24 × 15 = 1350/360 - Subtract the two like fractions:
432/360 - 1350/360 = 432 - 1350/360 = -918/360 - After reducing the fraction, the answer is -51/20
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