Add 90/9 and 21/10
1st number: 10 0/9, 2nd number: 2 1/10
90/9 + 21/10 is 121/10.
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,
90/9 = 90 × 10/9 × 10 = 900/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
21/10 = 21 × 9/10 × 9 = 189/90 - Add the two like fractions:
900/90 + 189/90 = 900 + 189/90 = 1089/90 - 1089/90 simplified gives 121/10
- So, 90/9 + 21/10 = 121/10
In mixed form: 121/10
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