Add 98/40 and 70/54
1st number: 2 18/40, 2nd number: 1 16/54
98/40 + 70/54 is 2023/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 54 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
98/40 = 98 × 27/40 × 27 = 2646/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
70/54 = 70 × 20/54 × 20 = 1400/1080 - Add the two like fractions:
2646/1080 + 1400/1080 = 2646 + 1400/1080 = 4046/1080 - 4046/1080 simplified gives 2023/540
- So, 98/40 + 70/54 = 2023/540
In mixed form: 3403/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/80+70/54