Add 49/54 and 12/20
49/54 + 12/20 is 407/270.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
49/54 = 49 × 10/54 × 10 = 490/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
12/20 = 12 × 27/20 × 27 = 324/540 - Add the two like fractions:
490/540 + 324/540 = 490 + 324/540 = 814/540 - 814/540 simplified gives 407/270
- So, 49/54 + 12/20 = 407/270
In mixed form: 1137/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/54+12/20 49/54+24/20 49/54+12/40 49/54+36/20 49/54+12/60 49/54+60/20 49/54+84/20