Add 98/35 and 54/40
1st number: 2 28/35, 2nd number: 1 14/40
98/35 + 54/40 is 83/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
98/35 = 98 × 8/35 × 8 = 784/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
54/40 = 54 × 7/40 × 7 = 378/280 - Add the two like fractions:
784/280 + 378/280 = 784 + 378/280 = 1162/280 - 1162/280 simplified gives 83/20
- So, 98/35 + 54/40 = 83/20
In mixed form: 43/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70+54/40 98/35+54/80