Add 25/90 and 20/18
1st number: 25/90, 2nd number: 1 2/18
25/90 + 20/18 is 25/18.
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,
20/18 = 20 × 5/18 × 5 = 100/90 - Add the two like fractions:
25/90 + 100/90 = 25 + 100/90 = 125/90 - 125/90 simplified gives 25/18
- So, 25/90 + 20/18 = 25/18
In mixed form: 17/18
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