Add 25/90 and 70/9
1st number: 25/90, 2nd number: 7 7/9
25/90 + 70/9 is 145/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
25/90 = 25 × 1/90 × 1 = 25/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
70/9 = 70 × 10/9 × 10 = 700/90 - Add the two like fractions:
25/90 + 700/90 = 25 + 700/90 = 725/90 - 725/90 simplified gives 145/18
- So, 25/90 + 70/9 = 145/18
In mixed form: 81/18
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