Add 30/40 and 2/5
30/40 + 2/5 is 23/20.
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,
30/40 = 30 × 1/40 × 1 = 30/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
2/5 = 2 × 8/5 × 8 = 16/40 - Add the two like fractions:
30/40 + 16/40 = 30 + 16/40 = 46/40 - 46/40 simplified gives 23/20
- So, 30/40 + 2/5 = 23/20
In mixed form: 13/20
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