Add 18/9 and 20/10
1st number: 2 0/9, 2nd number: 2 0/10
18/9 + 20/10 is 4/1.
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,
18/9 = 18 × 10/9 × 10 = 180/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
20/10 = 20 × 9/10 × 9 = 180/90 - Add the two like fractions:
180/90 + 180/90 = 180 + 180/90 = 360/90 - 360/90 simplified gives 4/1
- So, 18/9 + 20/10 = 4/1
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