Add 28/27 and 21/45
1st number: 1 1/27, 2nd number: 21/45
28/27 + 21/45 is 203/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
28/27 = 28 × 5/27 × 5 = 140/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
21/45 = 21 × 3/45 × 3 = 63/135 - Add the two like fractions:
140/135 + 63/135 = 140 + 63/135 = 203/135 - So, 28/27 + 21/45 = 203/135
In mixed form: 168/135
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