Subtract 12/30 from 40/14, Solve 2 12/14

Subtract 12/30 from 40/14

1^st number: 2 12/14, 2^nd number: 12/30

40/14 - 12/30 is 86/35.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 14 × 15 = 210,
40/14 = 40 × 15/14 × 15 = 600/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
12/30 = 12 × 7/30 × 7 = 84/210
Subtract the two like fractions:
600/210 - 84/210 = 600 - 84/210 = 516/210
After reducing the fraction, the answer is 86/35
In mixed form: 216/35

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