Add 75/7 and 10/20
1st number: 10 5/7, 2nd number: 10/20
75/7 + 10/20 is 157/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 7 × 20 = 140,
75/7 = 75 × 20/7 × 20 = 1500/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
10/20 = 10 × 7/20 × 7 = 70/140 - Add the two like fractions:
1500/140 + 70/140 = 1500 + 70/140 = 1570/140 - 1570/140 simplified gives 157/14
- So, 75/7 + 10/20 = 157/14
In mixed form: 113/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/14+10/20 75/7+10/40 75/7+30/20 75/21+10/20 75/7+10/60 75/7+50/20 75/35+10/20 75/7+70/20 75/49+10/20