Add 18/54 and 42/20
1st number: 18/54, 2nd number: 2 2/20
18/54 + 42/20 is 73/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
18/54 = 18 × 10/54 × 10 = 180/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
42/20 = 42 × 27/20 × 27 = 1134/540 - Add the two like fractions:
180/540 + 1134/540 = 180 + 1134/540 = 1314/540 - 1314/540 simplified gives 73/30
- So, 18/54 + 42/20 = 73/30
In mixed form: 213/30
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