Subtract 42/72 from 1/35
1/35 - 42/72 is -233/420.
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,
1/35 = 1 × 72/35 × 72 = 72/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
42/72 = 42 × 35/72 × 35 = 1470/2520 - Subtract the two like fractions:
72/2520 - 1470/2520 = 72 - 1470/2520 = -1398/2520 - After reducing the fraction, the answer is -233/420
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