Subtract 1/72 from 30/35
30/35 - 1/72 is 425/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
30/35 = 30 × 72/35 × 72 = 2160/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
1/72 = 1 × 35/72 × 35 = 35/2520 - Subtract the two like fractions:
2160/2520 - 35/2520 = 2160 - 35/2520 = 2125/2520 - After reducing the fraction, the answer is 425/504
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