Add 6/20 and 21/80
6/20 + 21/80 is 9/16.
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,
6/20 = 6 × 4/20 × 4 = 24/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
21/80 = 21 × 1/80 × 1 = 21/80 - Add the two like fractions:
24/80 + 21/80 = 24 + 21/80 = 45/80 - 45/80 simplified gives 9/16
- So, 6/20 + 21/80 = 9/16
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