Add 90/30 and 42/27
1st number: 3 0/30, 2nd number: 1 15/27
90/30 + 42/27 is 41/9.
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,
42/27 = 42 × 10/27 × 10 = 420/270 - Add the two like fractions:
810/270 + 420/270 = 810 + 420/270 = 1230/270 - 1230/270 simplified gives 41/9
- So, 90/30 + 42/27 = 41/9
In mixed form: 45/9
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