Add 56/4 and 8/20
1st number: 14 0/4, 2nd number: 8/20
56/4 + 8/20 is 72/5.
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,
56/4 = 56 × 5/4 × 5 = 280/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
8/20 = 8 × 1/20 × 1 = 8/20 - Add the two like fractions:
280/20 + 8/20 = 280 + 8/20 = 288/20 - 288/20 simplified gives 72/5
- So, 56/4 + 8/20 = 72/5
In mixed form: 142/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4+16/20 56/8+8/20 56/4+8/40 56/4+24/20 56/12+8/20 56/4+8/60 56/4+40/20 56/20+8/20 56/4+56/20 56/28+8/20