Add 90/75 and 70/12
1st number: 1 15/75, 2nd number: 5 10/12
90/75 + 70/12 is 211/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
90/75 = 90 × 4/75 × 4 = 360/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
70/12 = 70 × 25/12 × 25 = 1750/300 - Add the two like fractions:
360/300 + 1750/300 = 360 + 1750/300 = 2110/300 - 2110/300 simplified gives 211/30
- So, 90/75 + 70/12 = 211/30
In mixed form: 71/30
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