Add 45/4 and 20/24
1st number: 11 1/4, 2nd number: 20/24
45/4 + 20/24 is 145/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 4 × 6 = 24,
45/4 = 45 × 6/4 × 6 = 270/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
20/24 = 20 × 1/24 × 1 = 20/24 - Add the two like fractions:
270/24 + 20/24 = 270 + 20/24 = 290/24 - 290/24 simplified gives 145/12
- So, 45/4 + 20/24 = 145/12
In mixed form: 121/12
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