Add 20/75 and 3/84
20/75 + 3/84 is 127/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
20/75 = 20 × 28/75 × 28 = 560/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
3/84 = 3 × 25/84 × 25 = 75/2100 - Add the two like fractions:
560/2100 + 75/2100 = 560 + 75/2100 = 635/2100 - 635/2100 simplified gives 127/420
- So, 20/75 + 3/84 = 127/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75+3/84 20/75+6/84 60/75+3/84 20/75+9/84 20/75+15/84 20/75+21/84