Subtract 3/35 from 72/18, Solve 4 0/18

Subtract 3/35 from 72/18

1^st number: 4 0/18, 2^nd number: 3/35

72/18 - 3/35 is 137/35.

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,
72/18 = 72 × 35/18 × 35 = 2520/630
Likewise, for the 2nd fraction, since 35 × 18 = 630,
3/35 = 3 × 18/35 × 18 = 54/630
Subtract the two like fractions:
2520/630 - 54/630 = 2520 - 54/630 = 2466/630
After reducing the fraction, the answer is 137/35
In mixed form: 332/35

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