Add 70/18 and 72/50
1st number: 3 16/18, 2nd number: 1 22/50
70/18 + 72/50 is 1199/225.
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,
70/18 = 70 × 25/18 × 25 = 1750/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
72/50 = 72 × 9/50 × 9 = 648/450 - Add the two like fractions:
1750/450 + 648/450 = 1750 + 648/450 = 2398/450 - 2398/450 simplified gives 1199/225
- So, 70/18 + 72/50 = 1199/225
In mixed form: 574/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/36+72/50 70/54+72/50 70/90+72/50