Add 56/54 and 81/70
1st number: 1 2/54, 2nd number: 1 11/70
56/54 + 81/70 is 4147/1890.
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,
56/54 = 56 × 35/54 × 35 = 1960/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
81/70 = 81 × 27/70 × 27 = 2187/1890 - Add the two like fractions:
1960/1890 + 2187/1890 = 1960 + 2187/1890 = 4147/1890 - So, 56/54 + 81/70 = 4147/1890
In mixed form: 2367/1890
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: