Subtract 21/80 from 98/54, Solve 1 44/54

Subtract 21/80 from 98/54

1^st number: 1 44/54, 2^nd number: 21/80

98/54 - 21/80 is 3353/2160.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 80 is 2160

Next, find the equivalent fraction of both fractional numbers with denominator 2160
For the 1st fraction, since 54 × 40 = 2160,
98/54 = 98 × 40/54 × 40 = 3920/2160
Likewise, for the 2nd fraction, since 80 × 27 = 2160,
21/80 = 21 × 27/80 × 27 = 567/2160
Subtract the two like fractions:
3920/2160 - 567/2160 = 3920 - 567/2160 = 3353/2160
In mixed form: 11193/2160

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