Add 21/54 and 60/20
1st number: 21/54, 2nd number: 3 0/20
21/54 + 60/20 is 61/18.
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,
21/54 = 21 × 10/54 × 10 = 210/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
60/20 = 60 × 27/20 × 27 = 1620/540 - Add the two like fractions:
210/540 + 1620/540 = 210 + 1620/540 = 1830/540 - 1830/540 simplified gives 61/18
- So, 21/54 + 60/20 = 61/18
In mixed form: 37/18
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