Add 70/5 and 84/54
1st number: 14 0/5, 2nd number: 1 30/54
70/5 + 84/54 is 140/9.
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,
70/5 = 70 × 54/5 × 54 = 3780/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
84/54 = 84 × 5/54 × 5 = 420/270 - Add the two like fractions:
3780/270 + 420/270 = 3780 + 420/270 = 4200/270 - 4200/270 simplified gives 140/9
- So, 70/5 + 84/54 = 140/9
In mixed form: 155/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10+84/54 70/15+84/54 70/25+84/54 70/35+84/54