Add 40/27 and 1/21
1st number: 1 13/27, 2nd number: 1/21
40/27 + 1/21 is 289/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 21 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
40/27 = 40 × 7/27 × 7 = 280/189 - Likewise, for the 2nd fraction, since 21 × 9 = 189,
1/21 = 1 × 9/21 × 9 = 9/189 - Add the two like fractions:
280/189 + 9/189 = 280 + 9/189 = 289/189 - So, 40/27 + 1/21 = 289/189
In mixed form: 1100/189
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