Add 70/50 and 60/18
1st number: 1 20/50, 2nd number: 3 6/18
70/50 + 60/18 is 71/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
70/50 = 70 × 9/50 × 9 = 630/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
60/18 = 60 × 25/18 × 25 = 1500/450 - Add the two like fractions:
630/450 + 1500/450 = 630 + 1500/450 = 2130/450 - 2130/450 simplified gives 71/15
- So, 70/50 + 60/18 = 71/15
In mixed form: 411/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/50+60/36 70/50+60/54 70/50+60/90