Add 20/5 and 40/18
1st number: 4 0/5, 2nd number: 2 4/18
20/5 + 40/18 is 56/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
20/5 = 20 × 18/5 × 18 = 360/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
40/18 = 40 × 5/18 × 5 = 200/90 - Add the two like fractions:
360/90 + 200/90 = 360 + 200/90 = 560/90 - 560/90 simplified gives 56/9
- So, 20/5 + 40/18 = 56/9
In mixed form: 62/9
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