Add 56/54 and 70/20
1st number: 1 2/54, 2nd number: 3 10/20
56/54 + 70/20 is 245/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
56/54 = 56 × 10/54 × 10 = 560/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
70/20 = 70 × 27/20 × 27 = 1890/540 - Add the two like fractions:
560/540 + 1890/540 = 560 + 1890/540 = 2450/540 - 2450/540 simplified gives 245/54
- So, 56/54 + 70/20 = 245/54
In mixed form: 429/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/54+70/40 56/54+70/60