Add 49/40 and 90/20
1st number: 1 9/40, 2nd number: 4 10/20
49/40 + 90/20 is 229/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
49/40 = 49 × 1/40 × 1 = 49/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
90/20 = 90 × 2/20 × 2 = 180/40 - Add the two like fractions:
49/40 + 180/40 = 49 + 180/40 = 229/40 - So, 49/40 + 90/20 = 229/40
In mixed form: 529/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/40+90/20 49/80+90/20 49/40+90/40 49/40+90/60