Subtract 7/30 from 1/40
140 - 730 is -524.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
140 = 1 × 340 × 3 = 3120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
730 = 7 × 430 × 4 = 28120 - Subtract the two like fractions:
3120 - 28120 = 3 - 28120 = -25120 - After reducing the fraction, the answer is -524
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