Subtract 90/25 from 28/10
1st number: 2 8/10, 2nd number: 3 15/25
28/10 - 90/25 is -4/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 25 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 10 × 5 = 50,
28/10 = 28 × 5/10 × 5 = 140/50 - Likewise, for the 2nd fraction, since 25 × 2 = 50,
90/25 = 90 × 2/25 × 2 = 180/50 - Subtract the two like fractions:
140/50 - 180/50 = 140 - 180/50 = -40/50 - After reducing the fraction, the answer is -4/5
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