Add 12/28 and 81/25
1st number: 12/28, 2nd number: 3 6/25
12/28 + 81/25 is 642/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 25 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
12/28 = 12 × 25/28 × 25 = 300/700 - Likewise, for the 2nd fraction, since 25 × 28 = 700,
81/25 = 81 × 28/25 × 28 = 2268/700 - Add the two like fractions:
300/700 + 2268/700 = 300 + 2268/700 = 2568/700 - 2568/700 simplified gives 642/175
- So, 12/28 + 81/25 = 642/175
In mixed form: 3117/175
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