Add 40/16 and 45/20
1st number: 2 8/16, 2nd number: 2 5/20
40/16 + 45/20 is 19/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
40/16 = 40 × 5/16 × 5 = 200/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
45/20 = 45 × 4/20 × 4 = 180/80 - Add the two like fractions:
200/80 + 180/80 = 200 + 180/80 = 380/80 - 380/80 simplified gives 19/4
- So, 40/16 + 45/20 = 19/4
In mixed form: 43/4
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