Add 45/42 and 15/84
1st number: 1 3/42, 2nd number: 15/84
45/42 + 15/84 is 5/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
45/42 = 45 × 2/42 × 2 = 90/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
15/84 = 15 × 1/84 × 1 = 15/84 - Add the two like fractions:
90/84 + 15/84 = 90 + 15/84 = 105/84 - 105/84 simplified gives 5/4
- So, 45/42 + 15/84 = 5/4
In mixed form: 11/4
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