Add 36/40 and 81/30
1st number: 36/40, 2nd number: 2 21/30
36/40 + 81/30 is 18/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
36/40 = 36 × 3/40 × 3 = 108/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
81/30 = 81 × 4/30 × 4 = 324/120 - Add the two like fractions:
108/120 + 324/120 = 108 + 324/120 = 432/120 - 432/120 simplified gives 18/5
- So, 36/40 + 81/30 = 18/5
In mixed form: 33/5
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