Add 98/18 and 3/40
1st number: 5 8/18, 2nd number: 3/40
98/18 + 3/40 is 1987/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
98/18 = 98 × 20/18 × 20 = 1960/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
3/40 = 3 × 9/40 × 9 = 27/360 - Add the two like fractions:
1960/360 + 27/360 = 1960 + 27/360 = 1987/360 - So, 98/18 + 3/40 = 1987/360
In mixed form: 5187/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/18+6/40 98/36+3/40 98/18+3/80 98/18+9/40 98/54+3/40 98/18+15/40 98/90+3/40 98/18+21/40