Add 18/70 and 30/27
1st number: 18/70, 2nd number: 1 3/27
18/70 + 30/27 is 431/315.
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,
18/70 = 18 × 27/70 × 27 = 486/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
30/27 = 30 × 70/27 × 70 = 2100/1890 - Add the two like fractions:
486/1890 + 2100/1890 = 486 + 2100/1890 = 2586/1890 - 2586/1890 simplified gives 431/315
- So, 18/70 + 30/27 = 431/315
In mixed form: 1116/315
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