Subtract 42/70 from 36/18
1st number: 2 0/18, 2nd number: 42/70
36/18 - 42/70 is 7/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
36/18 = 36 × 35/18 × 35 = 1260/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
42/70 = 42 × 9/70 × 9 = 378/630 - Subtract the two like fractions:
1260/630 - 378/630 = 1260 - 378/630 = 882/630 - After reducing the fraction, the answer is 7/5
- In mixed form: 12/5
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