Add 27/54 and 84/70
1st number: 27/54, 2nd number: 1 14/70
27/54 + 84/70 is 17/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 54 × 35 = 1890,
27/54 = 27 × 35/54 × 35 = 945/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
84/70 = 84 × 27/70 × 27 = 2268/1890 - Add the two like fractions:
945/1890 + 2268/1890 = 945 + 2268/1890 = 3213/1890 - 3213/1890 simplified gives 17/10
- So, 27/54 + 84/70 = 17/10
In mixed form: 17/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/54+84/70