Add 21/50 and 90/56
1st number: 21/50, 2nd number: 1 34/56
21/50 + 90/56 is 1419/700.
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,
90/56 = 90 × 25/56 × 25 = 2250/1400 - Add the two like fractions:
588/1400 + 2250/1400 = 588 + 2250/1400 = 2838/1400 - 2838/1400 simplified gives 1419/700
- So, 21/50 + 90/56 = 1419/700
In mixed form: 219/700
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/50+90/56 63/50+90/56