Add 21/50 and 48/56
21/50 + 48/56 is 447/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 56 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 50 × 28 = 1400,
21/50 = 21 × 28/50 × 28 = 588/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
48/56 = 48 × 25/56 × 25 = 1200/1400 - Add the two like fractions:
588/1400 + 1200/1400 = 588 + 1200/1400 = 1788/1400 - 1788/1400 simplified gives 447/350
- So, 21/50 + 48/56 = 447/350
In mixed form: 197/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/50+48/56 21/50+96/56 63/50+48/56