Add 70/90 and 30/27
1st number: 70/90, 2nd number: 1 3/27
70/90 + 30/27 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
70/90 = 70 × 3/90 × 3 = 210/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
30/27 = 30 × 10/27 × 10 = 300/270 - Add the two like fractions:
210/270 + 300/270 = 210 + 300/270 = 510/270 - 510/270 simplified gives 17/9
- So, 70/90 + 30/27 = 17/9
In mixed form: 18/9
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