Add 9/40 and 45/80
9/40 + 45/80 is 63/80.
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,
9/40 = 9 × 2/40 × 2 = 18/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
45/80 = 45 × 1/80 × 1 = 45/80 - Add the two like fractions:
18/80 + 45/80 = 18 + 45/80 = 63/80 - So, 9/40 + 45/80 = 63/80
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