Add 18/20 and 9/24
18/20 + 9/24 is 51/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 20 × 6 = 120,
18/20 = 18 × 6/20 × 6 = 108/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
9/24 = 9 × 5/24 × 5 = 45/120 - Add the two like fractions:
108/120 + 45/120 = 108 + 45/120 = 153/120 - 153/120 simplified gives 51/40
- So, 18/20 + 9/24 = 51/40
In mixed form: 111/40
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