Add 72/9 and 9/90
1st number: 8 0/9, 2nd number: 9/90
72/9 + 9/90 is 81/10.
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,
72/9 = 72 × 10/9 × 10 = 720/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90 - Add the two like fractions:
720/90 + 9/90 = 720 + 9/90 = 729/90 - 729/90 simplified gives 81/10
- So, 72/9 + 9/90 = 81/10
In mixed form: 81/10
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