Add 45/5 and 70/28
1st number: 9 0/5, 2nd number: 2 14/28
45/5 + 70/28 is 23/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
45/5 = 45 × 28/5 × 28 = 1260/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
70/28 = 70 × 5/28 × 5 = 350/140 - Add the two like fractions:
1260/140 + 350/140 = 1260 + 350/140 = 1610/140 - 1610/140 simplified gives 23/2
- So, 45/5 + 70/28 = 23/2
In mixed form: 111/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5+70/28 45/10+70/28 45/5+70/56 45/15+70/28 45/5+70/84 45/25+70/28 45/35+70/28