Add 40/16 and 42/20
1st number: 2 8/16, 2nd number: 2 2/20
40/16 + 42/20 is 23/5.
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,
42/20 = 42 × 4/20 × 4 = 168/80 - Add the two like fractions:
200/80 + 168/80 = 200 + 168/80 = 368/80 - 368/80 simplified gives 23/5
- So, 40/16 + 42/20 = 23/5
In mixed form: 43/5
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