Add 21/24 and 40/80
21/24 + 40/80 is 11/8.
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,
40/80 = 40 × 3/80 × 3 = 120/240 - Add the two like fractions:
210/240 + 120/240 = 210 + 120/240 = 330/240 - 330/240 simplified gives 11/8
- So, 21/24 + 40/80 = 11/8
In mixed form: 13/8
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