Subtract 30/14 from 63/45, Solve 1 18/45

Subtract 30/14 from 63/45

1^st number: 1 18/45, 2^nd number: 2 2/14

63/45 - 30/14 is -26/35.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 14 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 45 × 14 = 630,
63/45 = 63 × 14/45 × 14 = 882/630
Likewise, for the 2nd fraction, since 14 × 45 = 630,
30/14 = 30 × 45/14 × 45 = 1350/630
Subtract the two like fractions:
882/630 - 1350/630 = 882 - 1350/630 = -468/630
After reducing the fraction, the answer is -26/35

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