Add 7/9 and 7/10
7/9 + 7/10 is 133/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
7/9 = 7 × 10/9 × 10 = 70/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
7/10 = 7 × 9/10 × 9 = 63/90 - Add the two like fractions:
70/90 + 63/90 = 70 + 63/90 = 133/90 - So, 7/9 + 7/10 = 133/90
In mixed form: 143/90
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