Add 20/5 and 35/7
1st number: 4 0/5, 2nd number: 5 0/7
20/5 + 35/7 is 9/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
20/5 = 20 × 7/5 × 7 = 140/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
35/7 = 35 × 5/7 × 5 = 175/35 - Add the two like fractions:
140/35 + 175/35 = 140 + 175/35 = 315/35 - 315/35 simplified gives 9/1
- So, 20/5 + 35/7 = 9/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5+35/7 20/5+70/7 20/10+35/7 20/5+35/14 60/5+35/7 20/15+35/7 20/5+35/21 20/25+35/7 20/35+35/7 20/5+35/49