Add 20/98 and 54/40
1st number: 20/98, 2nd number: 1 14/40
20/98 + 54/40 is 1523/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 98 × 20 = 1960,
20/98 = 20 × 20/98 × 20 = 400/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
54/40 = 54 × 49/40 × 49 = 2646/1960 - Add the two like fractions:
400/1960 + 2646/1960 = 400 + 2646/1960 = 3046/1960 - 3046/1960 simplified gives 1523/980
- So, 20/98 + 54/40 = 1523/980
In mixed form: 1543/980
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/98+54/40 20/98+54/80 60/98+54/40