Add 70/4 and 56/20
1st number: 17 2/4, 2nd number: 2 16/20
70/4 + 56/20 is 203/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
70/4 = 70 × 5/4 × 5 = 350/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
56/20 = 56 × 1/20 × 1 = 56/20 - Add the two like fractions:
350/20 + 56/20 = 350 + 56/20 = 406/20 - 406/20 simplified gives 203/10
- So, 70/4 + 56/20 = 203/10
In mixed form: 203/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8+56/20 70/4+56/40 70/12+56/20 70/4+56/60 70/20+56/20 70/28+56/20