Subtract 7/9 from 98/40, Solve 2 18/40

Subtract 7/9 from 98/40

1^st number: 2 18/40, 2^nd number: 7/9

98/40 - 7/9 is 301/180.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 40 × 9 = 360,
98/40 = 98 × 9/40 × 9 = 882/360
Likewise, for the 2nd fraction, since 9 × 40 = 360,
7/9 = 7 × 40/9 × 40 = 280/360
Subtract the two like fractions:
882/360 - 280/360 = 882 - 280/360 = 602/360
After reducing the fraction, the answer is 301/180
In mixed form: 1121/180

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