Add 36/30 and 81/90
1st number: 1 6/30, 2nd number: 81/90
36/30 + 81/90 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
36/30 = 36 × 3/30 × 3 = 108/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
81/90 = 81 × 1/90 × 1 = 81/90 - Add the two like fractions:
108/90 + 81/90 = 108 + 81/90 = 189/90 - 189/90 simplified gives 21/10
- So, 36/30 + 81/90 = 21/10
In mixed form: 21/10
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