Add 21/10 and 20/54
1st number: 2 1/10, 2nd number: 20/54
21/10 + 20/54 is 667/270.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
21/10 = 21 × 27/10 × 27 = 567/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
20/54 = 20 × 5/54 × 5 = 100/270 - Add the two like fractions:
567/270 + 100/270 = 567 + 100/270 = 667/270 - So, 21/10 + 20/54 = 667/270
In mixed form: 2127/270
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