Subtract 60/14 from 15/45, Solve 15/45

Subtract 60/14 from 15/45

1^st number: 15/45, 2^nd number: 4 4/14

15/45 - 60/14 is -83/21.

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,
15/45 = 15 × 14/45 × 14 = 210/630
Likewise, for the 2nd fraction, since 14 × 45 = 630,
60/14 = 60 × 45/14 × 45 = 2700/630
Subtract the two like fractions:
210/630 - 2700/630 = 210 - 2700/630 = -2490/630
After reducing the fraction, the answer is -83/21

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