Add 7/9 and 81/7
1st number: 7/9, 2nd number: 11 4/7
7/9 + 81/7 is 778/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
7/9 = 7 × 7/9 × 7 = 49/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
81/7 = 81 × 9/7 × 9 = 729/63 - Add the two like fractions:
49/63 + 729/63 = 49 + 729/63 = 778/63 - So, 7/9 + 81/7 = 778/63
In mixed form: 1222/63
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