Subtract 3/8 from 42/27
1st number: 1 15/27, 2nd number: 3/8
42/27 - 3/8 is 85/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
42/27 = 42 × 8/27 × 8 = 336/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
3/8 = 3 × 27/8 × 27 = 81/216 - Subtract the two like fractions:
336/216 - 81/216 = 336 - 81/216 = 255/216 - After reducing the fraction, the answer is 85/72
- In mixed form: 113/72
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