Add 2/5 and 30/80
2/5 + 30/80 is 31/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
2/5 = 2 × 16/5 × 16 = 32/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
30/80 = 30 × 1/80 × 1 = 30/80 - Add the two like fractions:
32/80 + 30/80 = 32 + 30/80 = 62/80 - 62/80 simplified gives 31/40
- So, 2/5 + 30/80 = 31/40
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