Add 21/45 and 80/27
1st number: 21/45, 2nd number: 2 26/27
21/45 + 80/27 is 463/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 45 × 3 = 135,
21/45 = 21 × 3/45 × 3 = 63/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
80/27 = 80 × 5/27 × 5 = 400/135 - Add the two like fractions:
63/135 + 400/135 = 63 + 400/135 = 463/135 - So, 21/45 + 80/27 = 463/135
In mixed form: 358/135
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