Add 18/54 and 21/10
1st number: 18/54, 2nd number: 2 1/10
18/54 + 21/10 is 73/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
18/54 = 18 × 5/54 × 5 = 90/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
21/10 = 21 × 27/10 × 27 = 567/270 - Add the two like fractions:
90/270 + 567/270 = 90 + 567/270 = 657/270 - 657/270 simplified gives 73/30
- So, 18/54 + 21/10 = 73/30
In mixed form: 213/30
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