Add 3/84 and 45/50
3/84 + 45/50 is 131/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 50 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
3/84 = 3 × 25/84 × 25 = 75/2100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,
45/50 = 45 × 42/50 × 42 = 1890/2100 - Add the two like fractions:
75/2100 + 1890/2100 = 75 + 1890/2100 = 1965/2100 - 1965/2100 simplified gives 131/140
- So, 3/84 + 45/50 = 131/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/84+45/50 3/84+90/50 9/84+45/50 15/84+45/50 21/84+45/50