Add 1/21 and 40/50
1/21 + 40/50 is 89/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 21 × 50 = 1050,
1/21 = 1 × 50/21 × 50 = 50/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
40/50 = 40 × 21/50 × 21 = 840/1050 - Add the two like fractions:
50/1050 + 840/1050 = 50 + 840/1050 = 890/1050 - 890/1050 simplified gives 89/105
- So, 1/21 + 40/50 = 89/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21+40/50 1/21+80/50 1/42+40/50 3/21+40/50 1/63+40/50 5/21+40/50 7/21+40/50