Subtract 8/35 from 42/72
42/72 - 8/35 is 149/420.
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,
42/72 = 42 × 35/72 × 35 = 1470/2520 - Likewise, for the 2nd fraction, since 35 × 72 = 2520,
8/35 = 8 × 72/35 × 72 = 576/2520 - Subtract the two like fractions:
1470/2520 - 576/2520 = 1470 - 576/2520 = 894/2520 - After reducing the fraction, the answer is 149/420
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