Add 12/84 and 42/27
1st number: 12/84, 2nd number: 1 15/27
12/84 + 42/27 is 107/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
12/84 = 12 × 9/84 × 9 = 108/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
42/27 = 42 × 28/27 × 28 = 1176/756 - Add the two like fractions:
108/756 + 1176/756 = 108 + 1176/756 = 1284/756 - 1284/756 simplified gives 107/63
- So, 12/84 + 42/27 = 107/63
In mixed form: 144/63
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