Add 20/25 and 35/40
20/25 + 35/40 is 67/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
20/25 = 20 × 8/25 × 8 = 160/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
35/40 = 35 × 5/40 × 5 = 175/200 - Add the two like fractions:
160/200 + 175/200 = 160 + 175/200 = 335/200 - 335/200 simplified gives 67/40
- So, 20/25 + 35/40 = 67/40
In mixed form: 127/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+35/40 20/25+70/40 20/50+35/40 20/25+35/80 60/25+35/40 20/75+35/40