Add 40/16 and 21/5
1st number: 2 8/16, 2nd number: 4 1/5
40/16 + 21/5 is 67/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 5 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 5 × 16 = 80,
21/5 = 21 × 16/5 × 16 = 336/80 - Add the two like fractions:
200/80 + 336/80 = 200 + 336/80 = 536/80 - 536/80 simplified gives 67/10
- So, 40/16 + 21/5 = 67/10
In mixed form: 67/10
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