Add 20/27 and 90/30
1st number: 20/27, 2nd number: 3 0/30
20/27 + 90/30 is 101/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
20/27 = 20 × 10/27 × 10 = 200/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
90/30 = 90 × 9/30 × 9 = 810/270 - Add the two like fractions:
200/270 + 810/270 = 200 + 810/270 = 1010/270 - 1010/270 simplified gives 101/27
- So, 20/27 + 90/30 = 101/27
In mixed form: 320/27
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