Subtract 28/8 from 45/60
1st number: 45/60, 2nd number: 3 4/8
45/60 - 28/8 is -11/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
45/60 = 45 × 2/60 × 2 = 90/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
28/8 = 28 × 15/8 × 15 = 420/120 - Subtract the two like fractions:
90/120 - 420/120 = 90 - 420/120 = -330/120 - After reducing the fraction, the answer is -11/4
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