Add 98/5 and 70/54
1st number: 19 3/5, 2nd number: 1 16/54
98/5 + 70/54 is 2821/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 5 × 54 = 270,
98/5 = 98 × 54/5 × 54 = 5292/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
70/54 = 70 × 5/54 × 5 = 350/270 - Add the two like fractions:
5292/270 + 350/270 = 5292 + 350/270 = 5642/270 - 5642/270 simplified gives 2821/135
- So, 98/5 + 70/54 = 2821/135
In mixed form: 20121/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/10+70/54 98/15+70/54 98/25+70/54 98/35+70/54