Add 18/70 and 15/50
18/70 + 15/50 is 39/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
18/70 = 18 × 5/70 × 5 = 90/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
15/50 = 15 × 7/50 × 7 = 105/350 - Add the two like fractions:
90/350 + 105/350 = 90 + 105/350 = 195/350 - 195/350 simplified gives 39/70
- So, 18/70 + 15/50 = 39/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/70+15/50 18/70+30/50 54/70+15/50 18/70+45/50 90/70+15/50 18/70+75/50