Add 45/9 and 40/12
1st number: 5 0/9, 2nd number: 3 4/12
45/9 + 40/12 is 25/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
45/9 = 45 × 4/9 × 4 = 180/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
40/12 = 40 × 3/12 × 3 = 120/36 - Add the two like fractions:
180/36 + 120/36 = 180 + 120/36 = 300/36 - 300/36 simplified gives 25/3
- So, 45/9 + 40/12 = 25/3
In mixed form: 81/3
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