Add 20/30 and 81/45
1st number: 20/30, 2nd number: 1 36/45
20/30 + 81/45 is 37/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
20/30 = 20 × 3/30 × 3 = 60/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
81/45 = 81 × 2/45 × 2 = 162/90 - Add the two like fractions:
60/90 + 162/90 = 60 + 162/90 = 222/90 - 222/90 simplified gives 37/15
- So, 20/30 + 81/45 = 37/15
In mixed form: 27/15
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