Add 70/30 and 15/90
1st number: 2 10/30, 2nd number: 15/90
70/30 + 15/90 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
70/30 = 70 × 3/30 × 3 = 210/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
15/90 = 15 × 1/90 × 1 = 15/90 - Add the two like fractions:
210/90 + 15/90 = 210 + 15/90 = 225/90 - 225/90 simplified gives 5/2
- So, 70/30 + 15/90 = 5/2
In mixed form: 21/2
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