Add 28/20 and 98/18
1st number: 1 8/20, 2nd number: 5 8/18
28/20 + 98/18 is 308/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
28/20 = 28 × 9/20 × 9 = 252/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
98/18 = 98 × 10/18 × 10 = 980/180 - Add the two like fractions:
252/180 + 980/180 = 252 + 980/180 = 1232/180 - 1232/180 simplified gives 308/45
- So, 28/20 + 98/18 = 308/45
In mixed form: 638/45
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