Add 70/56 and 5/81
1st number: 1 14/56, 2nd number: 5/81
70/56 + 5/81 is 425/324.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 81 is 4536
Next, find the equivalent fraction of both fractional numbers with denominator 4536 - For the 1st fraction, since 56 × 81 = 4536,
70/56 = 70 × 81/56 × 81 = 5670/4536 - Likewise, for the 2nd fraction, since 81 × 56 = 4536,
5/81 = 5 × 56/81 × 56 = 280/4536 - Add the two like fractions:
5670/4536 + 280/4536 = 5670 + 280/4536 = 5950/4536 - 5950/4536 simplified gives 425/324
- So, 70/56 + 5/81 = 425/324
In mixed form: 1101/324
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/56+10/81 70/56+15/81 70/56+25/81 70/56+35/81