Subtract 1/49 from 80/42, Solve 1 38/42

Subtract 1/49 from 80/42

1^st number: 1 38/42, 2^nd number: 1/49

80/42 - 1/49 is 277/147.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 49 is 294

Next, find the equivalent fraction of both fractional numbers with denominator 294
For the 1st fraction, since 42 × 7 = 294,
80/42 = 80 × 7/42 × 7 = 560/294
Likewise, for the 2nd fraction, since 49 × 6 = 294,
1/49 = 1 × 6/49 × 6 = 6/294
Subtract the two like fractions:
560/294 - 6/294 = 560 - 6/294 = 554/294
After reducing the fraction, the answer is 277/147
In mixed form: 1130/147

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