Add 12/27 and 75/70
1st number: 12/27, 2nd number: 1 5/70
12/27 + 75/70 is 191/126.
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,
12/27 = 12 × 70/27 × 70 = 840/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
75/70 = 75 × 27/70 × 27 = 2025/1890 - Add the two like fractions:
840/1890 + 2025/1890 = 840 + 2025/1890 = 2865/1890 - 2865/1890 simplified gives 191/126
- So, 12/27 + 75/70 = 191/126
In mixed form: 165/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/27+75/70 12/54+75/70 36/27+75/70 12/81+75/70 60/27+75/70 84/27+75/70