Add 40/20 and 81/30
1st number: 2 0/20, 2nd number: 2 21/30
40/20 + 81/30 is 47/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
40/20 = 40 × 3/20 × 3 = 120/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
81/30 = 81 × 2/30 × 2 = 162/60 - Add the two like fractions:
120/60 + 162/60 = 120 + 162/60 = 282/60 - 282/60 simplified gives 47/10
- So, 40/20 + 81/30 = 47/10
In mixed form: 47/10
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