Subtract 42/27 from 30/8
1st number: 3 6/8, 2nd number: 1 15/27
30/8 - 42/27 is 79/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
30/8 = 30 × 27/8 × 27 = 810/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
42/27 = 42 × 8/27 × 8 = 336/216 - Subtract the two like fractions:
810/216 - 336/216 = 810 - 336/216 = 474/216 - After reducing the fraction, the answer is 79/36
- In mixed form: 27/36
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