Add 70/30 and 56/54
1st number: 2 10/30, 2nd number: 1 2/54
70/30 + 56/54 is 91/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
70/30 = 70 × 9/30 × 9 = 630/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
56/54 = 56 × 5/54 × 5 = 280/270 - Add the two like fractions:
630/270 + 280/270 = 630 + 280/270 = 910/270 - 910/270 simplified gives 91/27
- So, 70/30 + 56/54 = 91/27
In mixed form: 310/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/60+56/54 70/90+56/54