Subtract 9/25 from 42/72
42/72 - 9/25 is 67/300.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 25 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
42/72 = 42 × 25/72 × 25 = 1050/1800 - Likewise, for the 2nd fraction, since 25 × 72 = 1800,
9/25 = 9 × 72/25 × 72 = 648/1800 - Subtract the two like fractions:
1050/1800 - 648/1800 = 1050 - 648/1800 = 402/1800 - After reducing the fraction, the answer is 67/300
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