Add 20/30 and 54/49
1st number: 20/30, 2nd number: 1 5/49
20/30 + 54/49 is 260/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 49 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
20/30 = 20 × 49/30 × 49 = 980/1470 - Likewise, for the 2nd fraction, since 49 × 30 = 1470,
54/49 = 54 × 30/49 × 30 = 1620/1470 - Add the two like fractions:
980/1470 + 1620/1470 = 980 + 1620/1470 = 2600/1470 - 2600/1470 simplified gives 260/147
- So, 20/30 + 54/49 = 260/147
In mixed form: 1113/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/30+54/49 20/60+54/49 20/30+54/98 60/30+54/49 20/90+54/49