Add 98/9 and 90/20
1st number: 10 8/9, 2nd number: 4 10/20
98/9 + 90/20 is 277/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
98/9 = 98 × 20/9 × 20 = 1960/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
90/20 = 90 × 9/20 × 9 = 810/180 - Add the two like fractions:
1960/180 + 810/180 = 1960 + 810/180 = 2770/180 - 2770/180 simplified gives 277/18
- So, 98/9 + 90/20 = 277/18
In mixed form: 157/18
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