Add 21/50 and 45/14
1st number: 21/50, 2nd number: 3 3/14
21/50 + 45/14 is 636/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 14 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
21/50 = 21 × 7/50 × 7 = 147/350 - Likewise, for the 2nd fraction, since 14 × 25 = 350,
45/14 = 45 × 25/14 × 25 = 1125/350 - Add the two like fractions:
147/350 + 1125/350 = 147 + 1125/350 = 1272/350 - 1272/350 simplified gives 636/175
- So, 21/50 + 45/14 = 636/175
In mixed form: 3111/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/50+45/14 21/50+90/14 21/50+45/28 63/50+45/14 21/50+45/42 21/50+45/70 21/50+45/98