Subtract 42/35 from 63/18
1st number: 3 9/18, 2nd number: 1 7/35
63/18 - 42/35 is 23/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
63/18 = 63 × 35/18 × 35 = 2205/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
42/35 = 42 × 18/35 × 18 = 756/630 - Subtract the two like fractions:
2205/630 - 756/630 = 2205 - 756/630 = 1449/630 - After reducing the fraction, the answer is 23/10
- In mixed form: 23/10
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