Add 54/5 and 70/49
1st number: 10 4/5, 2nd number: 1 21/49
54/5 + 70/49 is 428/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 5 × 49 = 245,
54/5 = 54 × 49/5 × 49 = 2646/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
70/49 = 70 × 5/49 × 5 = 350/245 - Add the two like fractions:
2646/245 + 350/245 = 2646 + 350/245 = 2996/245 - 2996/245 simplified gives 428/35
- So, 54/5 + 70/49 = 428/35
In mixed form: 128/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10+70/49 54/5+70/98 54/15+70/49 54/25+70/49 54/35+70/49