Add 5/40 and 7/80
5/40 + 7/80 is 17/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
5/40 = 5 × 2/40 × 2 = 10/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
7/80 = 7 × 1/80 × 1 = 7/80 - Add the two like fractions:
10/80 + 7/80 = 10 + 7/80 = 17/80 - So, 5/40 + 7/80 = 17/80
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