Add 21/75 and 4/8
21/75 + 4/8 is 39/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 8 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
21/75 = 21 × 8/75 × 8 = 168/600 - Likewise, for the 2nd fraction, since 8 × 75 = 600,
4/8 = 4 × 75/8 × 75 = 300/600 - Add the two like fractions:
168/600 + 300/600 = 168 + 300/600 = 468/600 - 468/600 simplified gives 39/50
- So, 21/75 + 4/8 = 39/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/75+4/8 21/75+4/16 63/75+4/8 21/75+12/8 21/75+4/24 21/75+20/8 21/75+4/40 21/75+28/8 21/75+4/56