Subtract 12/70 from 40/18
1st number: 2 4/18, 2nd number: 12/70
40/18 - 12/70 is 646/315.
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,
40/18 = 40 × 35/18 × 35 = 1400/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
12/70 = 12 × 9/70 × 9 = 108/630 - Subtract the two like fractions:
1400/630 - 108/630 = 1400 - 108/630 = 1292/630 - After reducing the fraction, the answer is 646/315
- In mixed form: 216/315
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