Add 81/45 and 20/6
1st number: 1 36/45, 2nd number: 3 2/6
81/45 + 20/6 is 77/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
81/45 = 81 × 2/45 × 2 = 162/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
20/6 = 20 × 15/6 × 15 = 300/90 - Add the two like fractions:
162/90 + 300/90 = 162 + 300/90 = 462/90 - 462/90 simplified gives 77/15
- So, 81/45 + 20/6 = 77/15
In mixed form: 52/15
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