Add 28/40 and 2/5
28/40 + 2/5 is 11/10.
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,
2/5 = 2 × 8/5 × 8 = 16/40 - Add the two like fractions:
28/40 + 16/40 = 28 + 16/40 = 44/40 - 44/40 simplified gives 11/10
- So, 28/40 + 2/5 = 11/10
In mixed form: 11/10
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