Subtract 72/30 from 30/14, Solve 2 2/14

Subtract 72/30 from 30/14

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

30/14 - 72/30 is -9/35.

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,
30/14 = 30 × 15/14 × 15 = 450/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
72/30 = 72 × 7/30 × 7 = 504/210
Subtract the two like fractions:
450/210 - 504/210 = 450 - 504/210 = -54/210
After reducing the fraction, the answer is -9/35

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