Subtract 75/45 from 21/48
1st number: 21/48, 2nd number: 1 30/45
21/48 - 75/45 is -59/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
21/48 = 21 × 15/48 × 15 = 315/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
75/45 = 75 × 16/45 × 16 = 1200/720 - Subtract the two like fractions:
315/720 - 1200/720 = 315 - 1200/720 = -885/720 - After reducing the fraction, the answer is -59/48
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