Add 12/84 and 81/75
1st number: 12/84, 2nd number: 1 6/75
12/84 + 81/75 is 214/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
12/84 = 12 × 25/84 × 25 = 300/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
81/75 = 81 × 28/75 × 28 = 2268/2100 - Add the two like fractions:
300/2100 + 2268/2100 = 300 + 2268/2100 = 2568/2100 - 2568/2100 simplified gives 214/175
- So, 12/84 + 81/75 = 214/175
In mixed form: 139/175
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