Subtract 10/70 from 40/18, Solve 2 4/18

Subtract 10/70 from 40/18

1^st number: 2 4/18, 2^nd number: 10/70

40/18 - 10/70 is 131/63.

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,
10/70 = 10 × 9/70 × 9 = 90/630
Subtract the two like fractions:
1400/630 - 90/630 = 1400 - 90/630 = 1310/630
After reducing the fraction, the answer is 131/63
In mixed form: 25/63

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