Add 20/70 and 42/27
1st number: 20/70, 2nd number: 1 15/27
20/70 + 42/27 is 116/63.
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,
20/70 = 20 × 27/70 × 27 = 540/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
42/27 = 42 × 70/27 × 70 = 2940/1890 - Add the two like fractions:
540/1890 + 2940/1890 = 540 + 2940/1890 = 3480/1890 - 3480/1890 simplified gives 116/63
- So, 20/70 + 42/27 = 116/63
In mixed form: 153/63
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