Add 28/40 and 14/5
1st number: 28/40, 2nd number: 2 4/5
28/40 + 14/5 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
28/40 = 28 × 1/40 × 1 = 28/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
14/5 = 14 × 8/5 × 8 = 112/40 - Add the two like fractions:
28/40 + 112/40 = 28 + 112/40 = 140/40 - 140/40 simplified gives 7/2
- So, 28/40 + 14/5 = 7/2
In mixed form: 31/2
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