Add 20/27 and 75/70
1st number: 20/27, 2nd number: 1 5/70
20/27 + 75/70 is 685/378.
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,
75/70 = 75 × 27/70 × 27 = 2025/1890 - Add the two like fractions:
1400/1890 + 2025/1890 = 1400 + 2025/1890 = 3425/1890 - 3425/1890 simplified gives 685/378
- So, 20/27 + 75/70 = 685/378
In mixed form: 1307/378
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