Add 98/90 and 56/80
1st number: 1 8/90, 2nd number: 56/80
98/90 + 56/80 is 161/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
98/90 = 98 × 8/90 × 8 = 784/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
56/80 = 56 × 9/80 × 9 = 504/720 - Add the two like fractions:
784/720 + 504/720 = 784 + 504/720 = 1288/720 - 1288/720 simplified gives 161/90
- So, 98/90 + 56/80 = 161/90
In mixed form: 171/90
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