Add 21/54 and 12/50
21/54 + 12/50 is 283/450.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 50 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 54 × 25 = 1350,
21/54 = 21 × 25/54 × 25 = 525/1350 - Likewise, for the 2nd fraction, since 50 × 27 = 1350,
12/50 = 12 × 27/50 × 27 = 324/1350 - Add the two like fractions:
525/1350 + 324/1350 = 525 + 324/1350 = 849/1350 - 849/1350 simplified gives 283/450
- So, 21/54 + 12/50 = 283/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/54+12/50 21/54+24/50 63/54+12/50 21/54+36/50 21/54+60/50 21/54+84/50