Add 21/45 and 6/5
1st number: 21/45, 2nd number: 1 1/5
21/45 + 6/5 is 5/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
21/45 = 21 × 1/45 × 1 = 21/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
6/5 = 6 × 9/5 × 9 = 54/45 - Add the two like fractions:
21/45 + 54/45 = 21 + 54/45 = 75/45 - 75/45 simplified gives 5/3
- So, 21/45 + 6/5 = 5/3
In mixed form: 12/3
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