Subtract 54/98 from 40/21, Solve 1 19/21

Subtract 54/98 from 40/21

1^st number: 1 19/21, 2^nd number: 54/98

40/21 - 54/98 is 199/147.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294

Next, find the equivalent fraction of both fractional numbers with denominator 294
For the 1st fraction, since 21 × 14 = 294,
40/21 = 40 × 14/21 × 14 = 560/294
Likewise, for the 2nd fraction, since 98 × 3 = 294,
54/98 = 54 × 3/98 × 3 = 162/294
Subtract the two like fractions:
560/294 - 162/294 = 560 - 162/294 = 398/294
After reducing the fraction, the answer is 199/147
In mixed form: 152/147

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