Subtract 48/7 from 3/45, Solve 3/45

Subtract 48/7 from 3/45

1^st number: 3/45, 2^nd number: 6 6/7

3/45 - 48/7 is -713/105.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 7 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 45 × 7 = 315,
3/45 = 3 × 7/45 × 7 = 21/315
Likewise, for the 2nd fraction, since 7 × 45 = 315,
48/7 = 48 × 45/7 × 45 = 2160/315
Subtract the two like fractions:
21/315 - 2160/315 = 21 - 2160/315 = -2139/315
After reducing the fraction, the answer is -713/105

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