Add 90/30 and 45/27
1st number: 3 0/30, 2nd number: 1 18/27
90/30 + 45/27 is 14/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
90/30 = 90 × 9/30 × 9 = 810/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
45/27 = 45 × 10/27 × 10 = 450/270 - Add the two like fractions:
810/270 + 450/270 = 810 + 450/270 = 1260/270 - 1260/270 simplified gives 14/3
- So, 90/30 + 45/27 = 14/3
In mixed form: 42/3
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