Add 70/30 and 40/90
1st number: 2 10/30, 2nd number: 40/90
70/30 + 40/90 is 25/9.
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,
40/90 = 40 × 1/90 × 1 = 40/90 - Add the two like fractions:
210/90 + 40/90 = 210 + 40/90 = 250/90 - 250/90 simplified gives 25/9
- So, 70/30 + 40/90 = 25/9
In mixed form: 27/9
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