Add 10/90 and 21/3
1st number: 10/90, 2nd number: 7 0/3
10/90 + 21/3 is 64/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 3 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
10/90 = 10 × 1/90 × 1 = 10/90 - Likewise, for the 2nd fraction, since 3 × 30 = 90,
21/3 = 21 × 30/3 × 30 = 630/90 - Add the two like fractions:
10/90 + 630/90 = 10 + 630/90 = 640/90 - 640/90 simplified gives 64/9
- So, 10/90 + 21/3 = 64/9
In mixed form: 71/9
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