Add 12/9 and 45/84
1st number: 1 3/9, 2nd number: 45/84
12/9 + 45/84 is 157/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
12/9 = 12 × 28/9 × 28 = 336/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
45/84 = 45 × 3/84 × 3 = 135/252 - Add the two like fractions:
336/252 + 135/252 = 336 + 135/252 = 471/252 - 471/252 simplified gives 157/84
- So, 12/9 + 45/84 = 157/84
In mixed form: 173/84
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