Subtract 21/35 from 70/18
1st number: 3 16/18, 2nd number: 21/35
70/18 - 21/35 is 148/45.
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,
70/18 = 70 × 35/18 × 35 = 2450/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
21/35 = 21 × 18/35 × 18 = 378/630 - Subtract the two like fractions:
2450/630 - 378/630 = 2450 - 378/630 = 2072/630 - After reducing the fraction, the answer is 148/45
- In mixed form: 313/45
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