Subtract 75/30 from 40/14, Solve 2 12/14

Subtract 75/30 from 40/14

1^st number: 2 12/14, 2^nd number: 2 15/30

40/14 - 75/30 is 5/14.

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,
75/30 = 75 × 7/30 × 7 = 525/210
Subtract the two like fractions:
600/210 - 525/210 = 600 - 525/210 = 75/210
After reducing the fraction, the answer is 5/14

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