Add 5/40 and 98/18
1st number: 5/40, 2nd number: 5 8/18
5/40 + 98/18 is 401/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
5/40 = 5 × 9/40 × 9 = 45/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
98/18 = 98 × 20/18 × 20 = 1960/360 - Add the two like fractions:
45/360 + 1960/360 = 45 + 1960/360 = 2005/360 - 2005/360 simplified gives 401/72
- So, 5/40 + 98/18 = 401/72
In mixed form: 541/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40+98/18 5/80+98/18 5/40+98/36 15/40+98/18 5/40+98/54 25/40+98/18 5/40+98/90 35/40+98/18