Add 45/12 and 12/8
1st number: 3 9/12, 2nd number: 1 4/8
45/12 + 12/8 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
45/12 = 45 × 2/12 × 2 = 90/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
12/8 = 12 × 3/8 × 3 = 36/24 - Add the two like fractions:
90/24 + 36/24 = 90 + 36/24 = 126/24 - 126/24 simplified gives 21/4
- So, 45/12 + 12/8 = 21/4
In mixed form: 51/4
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