Subtract 30/40 from 40/75
40/75 - 30/40 is -13/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
40/75 = 40 × 8/75 × 8 = 320/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
30/40 = 30 × 15/40 × 15 = 450/600 - Subtract the two like fractions:
320/600 - 450/600 = 320 - 450/600 = -130/600 - After reducing the fraction, the answer is -13/60
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