Add 20/35 and 25/8
1st number: 20/35, 2nd number: 3 1/8
20/35 + 25/8 is 207/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
20/35 = 20 × 8/35 × 8 = 160/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
25/8 = 25 × 35/8 × 35 = 875/280 - Add the two like fractions:
160/280 + 875/280 = 160 + 875/280 = 1035/280 - 1035/280 simplified gives 207/56
- So, 20/35 + 25/8 = 207/56
In mixed form: 339/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/35+25/8 20/35+50/8 20/70+25/8 20/35+25/16 60/35+25/8 20/35+75/8 20/35+25/24 20/35+25/40 20/35+25/56