Add 81/70 and 28/27
1st number: 1 11/70, 2nd number: 1 1/27
81/70 + 28/27 is 4147/1890.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 27 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 70 × 27 = 1890,
81/70 = 81 × 27/70 × 27 = 2187/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
28/27 = 28 × 70/27 × 70 = 1960/1890 - Add the two like fractions:
2187/1890 + 1960/1890 = 2187 + 1960/1890 = 4147/1890 - So, 81/70 + 28/27 = 4147/1890
In mixed form: 2367/1890
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