Subtract 40/45 from 48/56
48/56 - 40/45 is -2/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 45 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
48/56 = 48 × 45/56 × 45 = 2160/2520 - Likewise, for the 2nd fraction, since 45 × 56 = 2520,
40/45 = 40 × 56/45 × 56 = 2240/2520 - Subtract the two like fractions:
2160/2520 - 2240/2520 = 2160 - 2240/2520 = -80/2520 - After reducing the fraction, the answer is -2/63
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