Subtract 25/18 from 30/35, Solve 30/35

Subtract 25/18 from 30/35

1^st number: 30/35, 2^nd number: 1 7/18

30/35 - 25/18 is -67/126.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 18 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 35 × 18 = 630,
30/35 = 30 × 18/35 × 18 = 540/630
Likewise, for the 2nd fraction, since 18 × 35 = 630,
25/18 = 25 × 35/18 × 35 = 875/630
Subtract the two like fractions:
540/630 - 875/630 = 540 - 875/630 = -335/630
After reducing the fraction, the answer is -67/126

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