Add 18/90 and 54/27
1st number: 18/90, 2nd number: 2 0/27
18/90 + 54/27 is 11/5.
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,
18/90 = 18 × 3/90 × 3 = 54/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
54/27 = 54 × 10/27 × 10 = 540/270 - Add the two like fractions:
54/270 + 540/270 = 54 + 540/270 = 594/270 - 594/270 simplified gives 11/5
- So, 18/90 + 54/27 = 11/5
In mixed form: 21/5
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