Subtract 18/84 from 98/45, Solve 2 8/45

Subtract 18/84 from 98/45

1^st number: 2 8/45, 2^nd number: 18/84

98/45 - 18/84 is 1237/630.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 45 × 28 = 1260,
98/45 = 98 × 28/45 × 28 = 2744/1260
Likewise, for the 2nd fraction, since 84 × 15 = 1260,
18/84 = 18 × 15/84 × 15 = 270/1260
Subtract the two like fractions:
2744/1260 - 270/1260 = 2744 - 270/1260 = 2474/1260
After reducing the fraction, the answer is 1237/630
In mixed form: 1607/630

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