Answers

Add 7/9 and 4/10

7/9 + 4/10 is 53/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 10 is 90
2. For the 1st fraction, since 9 × 10 = 90,
   7/9 = 7 × 10/9 × 10 = 70/90
3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
   4/10 = 4 × 9/10 × 9 = 36/90
4. Add the two fractions:
   70/90 + 36/90 = 70 + 36/90 = 106/90
5. After reducing the fraction, the answer is 53/45
6. In mixed form: 18/45

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