Add 3/20 and 28/80
3/20 + 28/80 is 1/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
3/20 = 3 × 4/20 × 4 = 12/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
28/80 = 28 × 1/80 × 1 = 28/80 - Add the two like fractions:
12/80 + 28/80 = 12 + 28/80 = 40/80 - 40/80 simplified gives 1/2
- So, 3/20 + 28/80 = 1/2
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