Add 25/90 and 21/18
1st number: 25/90, 2nd number: 1 3/18
25/90 + 21/18 is 13/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 18 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 18 × 5 = 90,
21/18 = 21 × 5/18 × 5 = 105/90 - Add the two like fractions:
25/90 + 105/90 = 25 + 105/90 = 130/90 - 130/90 simplified gives 13/9
- So, 25/90 + 21/18 = 13/9
In mixed form: 14/9
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