Subtract 1/30 from 42/48
42/48 - 1/30 is 101/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
42/48 = 42 × 5/48 × 5 = 210/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
1/30 = 1 × 8/30 × 8 = 8/240 - Subtract the two like fractions:
210/240 - 8/240 = 210 - 8/240 = 202/240 - After reducing the fraction, the answer is 101/120
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