Add 20/50 and 70/4
1st number: 20/50, 2nd number: 17 2/4
20/50 + 70/4 is 179/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 4 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
20/50 = 20 × 2/50 × 2 = 40/100 - Likewise, for the 2nd fraction, since 4 × 25 = 100,
70/4 = 70 × 25/4 × 25 = 1750/100 - Add the two like fractions:
40/100 + 1750/100 = 40 + 1750/100 = 1790/100 - 1790/100 simplified gives 179/10
- So, 20/50 + 70/4 = 179/10
In mixed form: 179/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/50+70/4 20/50+70/8 60/50+70/4 20/50+70/12 20/50+70/20 20/50+70/28