Add 3/50 and 81/21
1st number: 3/50, 2nd number: 3 18/21
3/50 + 81/21 is 1371/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
3/50 = 3 × 21/50 × 21 = 63/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
81/21 = 81 × 50/21 × 50 = 4050/1050 - Add the two like fractions:
63/1050 + 4050/1050 = 63 + 4050/1050 = 4113/1050 - 4113/1050 simplified gives 1371/350
- So, 3/50 + 81/21 = 1371/350
In mixed form: 3321/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/50+81/21 3/50+81/42 9/50+81/21 3/50+81/63 15/50+81/21 21/50+81/21