Add 98/20 and 7/54
1st number: 4 18/20, 2nd number: 7/54
98/20 + 7/54 is 679/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
98/20 = 98 × 27/20 × 27 = 2646/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
7/54 = 7 × 10/54 × 10 = 70/540 - Add the two like fractions:
2646/540 + 70/540 = 2646 + 70/540 = 2716/540 - 2716/540 simplified gives 679/135
- So, 98/20 + 7/54 = 679/135
In mixed form: 54/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20+14/54 98/40+7/54 98/20+21/54 98/60+7/54 98/20+35/54 98/20+49/54