Add 15/28 and 10/70
15/28 + 10/70 is 19/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
15/28 = 15 × 5/28 × 5 = 75/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
10/70 = 10 × 2/70 × 2 = 20/140 - Add the two like fractions:
75/140 + 20/140 = 75 + 20/140 = 95/140 - 95/140 simplified gives 19/28
- So, 15/28 + 10/70 = 19/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28+10/70 15/28+20/70 15/56+10/70 45/28+10/70 15/28+30/70 15/84+10/70 75/28+10/70 15/28+50/70