Add 40/16 and 42/40
1st number: 2 8/16, 2nd number: 1 2/40
40/16 + 42/40 is 71/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 40 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 40 × 2 = 80,
42/40 = 42 × 2/40 × 2 = 84/80 - Add the two like fractions:
200/80 + 84/80 = 200 + 84/80 = 284/80 - 284/80 simplified gives 71/20
- So, 40/16 + 42/40 = 71/20
In mixed form: 311/20
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