Add 21/27 and 36/7
1st number: 21/27, 2nd number: 5 1/7
21/27 + 36/7 is 373/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 7 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
21/27 = 21 × 7/27 × 7 = 147/189 - Likewise, for the 2nd fraction, since 7 × 27 = 189,
36/7 = 36 × 27/7 × 27 = 972/189 - Add the two like fractions:
147/189 + 972/189 = 147 + 972/189 = 1119/189 - 1119/189 simplified gives 373/63
- So, 21/27 + 36/7 = 373/63
In mixed form: 558/63
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