Subtract 3/18 from 42/35
1st number: 1 7/35, 2nd number: 3/18
42/35 - 3/18 is 31/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
42/35 = 42 × 18/35 × 18 = 756/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
3/18 = 3 × 35/18 × 35 = 105/630 - Subtract the two like fractions:
756/630 - 105/630 = 756 - 105/630 = 651/630 - After reducing the fraction, the answer is 31/30
- In mixed form: 11/30
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