Add 21/27 and 70/50
1st number: 21/27, 2nd number: 1 20/50
21/27 + 70/50 is 98/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 50 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 27 × 50 = 1350,
21/27 = 21 × 50/27 × 50 = 1050/1350 - Likewise, for the 2nd fraction, since 50 × 27 = 1350,
70/50 = 70 × 27/50 × 27 = 1890/1350 - Add the two like fractions:
1050/1350 + 1890/1350 = 1050 + 1890/1350 = 2940/1350 - 2940/1350 simplified gives 98/45
- So, 21/27 + 70/50 = 98/45
In mixed form: 28/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/27+70/50 21/54+70/50 63/27+70/50 21/81+70/50