Subtract 30/35 from 7/72
7/72 - 30/35 is -383/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 35 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
7/72 = 7 × 35/72 × 35 = 245/2520 - Likewise, for the 2nd fraction, since 35 × 72 = 2520,
30/35 = 30 × 72/35 × 72 = 2160/2520 - Subtract the two like fractions:
245/2520 - 2160/2520 = 245 - 2160/2520 = -1915/2520 - After reducing the fraction, the answer is -383/504
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