Subtract 50/45 from 4/7, Solve 4/7 - 1 5/45 as a fraction

Subtract 50/45 from 4/7

1^st number: 4/7, 2^nd number: 1 5/45

4/7 - 50/45 is -34/63.

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

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 7 × 45 = 315,
4/7 = 4 × 45/7 × 45 = 180/315
Likewise, for the 2nd fraction, since 45 × 7 = 315,
50/45 = 50 × 7/45 × 7 = 350/315
Subtract the two like fractions:
180/315 - 350/315 = 180 - 350/315 = -170/315
After reducing the fraction, the answer is -34/63

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