Add 20/18 and 45/24
1st number: 1 2/18, 2nd number: 1 21/24
20/18 + 45/24 is 215/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
20/18 = 20 × 4/18 × 4 = 80/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
45/24 = 45 × 3/24 × 3 = 135/72 - Add the two like fractions:
80/72 + 135/72 = 80 + 135/72 = 215/72 - So, 20/18 + 45/24 = 215/72
In mixed form: 271/72
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