Add 75/7 and 2/20
1st number: 10 5/7, 2nd number: 2/20
75/7 + 2/20 is 757/70.
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,
2/20 = 2 × 7/20 × 7 = 14/140 - Add the two like fractions:
1500/140 + 14/140 = 1500 + 14/140 = 1514/140 - 1514/140 simplified gives 757/70
- So, 75/7 + 2/20 = 757/70
In mixed form: 1057/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/7+4/20 75/14+2/20 75/7+2/40 75/7+6/20 75/21+2/20 75/7+2/60 75/7+10/20 75/35+2/20 75/7+14/20 75/49+2/20