Subtract 15/49 from 42/9, Solve 4 6/9

Subtract 15/49 from 42/9

1^st number: 4 6/9, 2^nd number: 15/49

42/9 - 15/49 is 641/147.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441

Next, find the equivalent fraction of both fractional numbers with denominator 441
For the 1st fraction, since 9 × 49 = 441,
42/9 = 42 × 49/9 × 49 = 2058/441
Likewise, for the 2nd fraction, since 49 × 9 = 441,
15/49 = 15 × 9/49 × 9 = 135/441
Subtract the two like fractions:
2058/441 - 135/441 = 2058 - 135/441 = 1923/441
After reducing the fraction, the answer is 641/147
In mixed form: 453/147

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