Add 5/12 and 70/90
5/12 + 70/90 is 43/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
5/12 = 5 × 15/12 × 15 = 75/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
70/90 = 70 × 2/90 × 2 = 140/180 - Add the two like fractions:
75/180 + 140/180 = 75 + 140/180 = 215/180 - 215/180 simplified gives 43/36
- So, 5/12 + 70/90 = 43/36
In mixed form: 17/36
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