Subtract 90/5 from 54/28
1st number: 1 26/28, 2nd number: 18 0/5
54/28 - 90/5 is -225/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
54/28 = 54 × 5/28 × 5 = 270/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
90/5 = 90 × 28/5 × 28 = 2520/140 - Subtract the two like fractions:
270/140 - 2520/140 = 270 - 2520/140 = -2250/140 - After reducing the fraction, the answer is -225/14
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