Add 21/5 and 20/27
1st number: 4 1/5, 2nd number: 20/27
21/5 + 20/27 is 667/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
21/5 = 21 × 27/5 × 27 = 567/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
20/27 = 20 × 5/27 × 5 = 100/135 - Add the two like fractions:
567/135 + 100/135 = 567 + 100/135 = 667/135 - So, 21/5 + 20/27 = 667/135
In mixed form: 4127/135
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