Add 45/14 and 12/42
1st number: 3 3/14, 2nd number: 12/42
45/14 + 12/42 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
45/14 = 45 × 3/14 × 3 = 135/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
12/42 = 12 × 1/42 × 1 = 12/42 - Add the two like fractions:
135/42 + 12/42 = 135 + 12/42 = 147/42 - 147/42 simplified gives 7/2
- So, 45/14 + 12/42 = 7/2
In mixed form: 31/2
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