Add 4/20 and 81/18
1st number: 4/20, 2nd number: 4 9/18
4/20 + 81/18 is 47/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
4/20 = 4 × 9/20 × 9 = 36/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
81/18 = 81 × 10/18 × 10 = 810/180 - Add the two like fractions:
36/180 + 810/180 = 36 + 810/180 = 846/180 - 846/180 simplified gives 47/10
- So, 4/20 + 81/18 = 47/10
In mixed form: 47/10
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