Add 20/27 and 35/70
20/27 + 35/70 is 67/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 27 × 70 = 1890,
20/27 = 20 × 70/27 × 70 = 1400/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
35/70 = 35 × 27/70 × 27 = 945/1890 - Add the two like fractions:
1400/1890 + 945/1890 = 1400 + 945/1890 = 2345/1890 - 2345/1890 simplified gives 67/54
- So, 20/27 + 35/70 = 67/54
In mixed form: 113/54
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