Subtract 90/10 from 48/28
1st number: 1 20/28, 2nd number: 9 0/10
48/28 - 90/10 is -51/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
48/28 = 48 × 5/28 × 5 = 240/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
90/10 = 90 × 14/10 × 14 = 1260/140 - Subtract the two like fractions:
240/140 - 1260/140 = 240 - 1260/140 = -1020/140 - After reducing the fraction, the answer is -51/7
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