Add 20/75 and 4/40
20/75 + 4/40 is 11/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
20/75 = 20 × 8/75 × 8 = 160/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
4/40 = 4 × 15/40 × 15 = 60/600 - Add the two like fractions:
160/600 + 60/600 = 160 + 60/600 = 220/600 - 220/600 simplified gives 11/30
- So, 20/75 + 4/40 = 11/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75+4/40 20/75+8/40 20/75+4/80 60/75+4/40 20/75+12/40 20/75+20/40 20/75+28/40