Subtract 45/7 from 6/45, Solve 6/45

Subtract 45/7 from 6/45

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

6/45 - 45/7 is -661/105.

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,
6/45 = 6 × 7/45 × 7 = 42/315
Likewise, for the 2nd fraction, since 7 × 45 = 315,
45/7 = 45 × 45/7 × 45 = 2025/315
Subtract the two like fractions:
42/315 - 2025/315 = 42 - 2025/315 = -1983/315
After reducing the fraction, the answer is -661/105

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