Subtract 4/15 from 42/45
42/45 - 4/15 is 2/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
42/45 = 42 × 1/45 × 1 = 42/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
4/15 = 4 × 3/15 × 3 = 12/45 - Subtract the two like fractions:
42/45 - 12/45 = 42 - 12/45 = 30/45 - After reducing the fraction, the answer is 2/3
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