Add 56/9 and 81/90
1st number: 6 2/9, 2nd number: 81/90
56/9 + 81/90 is 641/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
56/9 = 56 × 10/9 × 10 = 560/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
81/90 = 81 × 1/90 × 1 = 81/90 - Add the two like fractions:
560/90 + 81/90 = 560 + 81/90 = 641/90 - So, 56/9 + 81/90 = 641/90
In mixed form: 711/90
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