Subtract 24/48 from 7/45
7/45 - 24/48 is -31/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
7/45 = 7 × 16/45 × 16 = 112/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
24/48 = 24 × 15/48 × 15 = 360/720 - Subtract the two like fractions:
112/720 - 360/720 = 112 - 360/720 = -248/720 - After reducing the fraction, the answer is -31/90
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