Add 15/4 and 10/70
1st number: 3 3/4, 2nd number: 10/70
15/4 + 10/70 is 109/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
15/4 = 15 × 35/4 × 35 = 525/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
10/70 = 10 × 2/70 × 2 = 20/140 - Add the two like fractions:
525/140 + 20/140 = 525 + 20/140 = 545/140 - 545/140 simplified gives 109/28
- So, 15/4 + 10/70 = 109/28
In mixed form: 325/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4+10/70 15/4+20/70 15/8+10/70 45/4+10/70 15/4+30/70 15/12+10/70 75/4+10/70 15/4+50/70 15/20+10/70 15/28+10/70