Add 20/9 and 81/8
1st number: 2 2/9, 2nd number: 10 1/8
20/9 + 81/8 is 889/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
20/9 = 20 × 8/9 × 8 = 160/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
81/8 = 81 × 9/8 × 9 = 729/72 - Add the two like fractions:
160/72 + 729/72 = 160 + 729/72 = 889/72 - So, 20/9 + 81/8 = 889/72
In mixed form: 1225/72
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