Add 3/18 and 70/50
1st number: 3/18, 2nd number: 1 20/50
3/18 + 70/50 is 47/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
3/18 = 3 × 25/18 × 25 = 75/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
70/50 = 70 × 9/50 × 9 = 630/450 - Add the two like fractions:
75/450 + 630/450 = 75 + 630/450 = 705/450 - 705/450 simplified gives 47/30
- So, 3/18 + 70/50 = 47/30
In mixed form: 117/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+70/50 3/36+70/50 9/18+70/50 3/54+70/50 15/18+70/50 3/90+70/50 21/18+70/50