Add 12/5 and 70/90
1st number: 2 2/5, 2nd number: 70/90
12/5 + 70/90 is 143/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
12/5 = 12 × 18/5 × 18 = 216/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
70/90 = 70 × 1/90 × 1 = 70/90 - Add the two like fractions:
216/90 + 70/90 = 216 + 70/90 = 286/90 - 286/90 simplified gives 143/45
- So, 12/5 + 70/90 = 143/45
In mixed form: 38/45
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