Add 21/24 and 20/80
21/24 + 20/80 is 9/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 24 × 10 = 240,
21/24 = 21 × 10/24 × 10 = 210/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
20/80 = 20 × 3/80 × 3 = 60/240 - Add the two like fractions:
210/240 + 60/240 = 210 + 60/240 = 270/240 - 270/240 simplified gives 9/8
- So, 21/24 + 20/80 = 9/8
In mixed form: 11/8
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