Add 12/28 and 70/75
12/28 + 70/75 is 143/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 28 × 75 = 2100,
12/28 = 12 × 75/28 × 75 = 900/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
70/75 = 70 × 28/75 × 28 = 1960/2100 - Add the two like fractions:
900/2100 + 1960/2100 = 900 + 1960/2100 = 2860/2100 - 2860/2100 simplified gives 143/105
- So, 12/28 + 70/75 = 143/105
In mixed form: 138/105
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