Add 45/20 and 7/14
1st number: 2 5/20, 2nd number: 7/14
45/20 + 7/14 is 11/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
45/20 = 45 × 7/20 × 7 = 315/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
7/14 = 7 × 10/14 × 10 = 70/140 - Add the two like fractions:
315/140 + 70/140 = 315 + 70/140 = 385/140 - 385/140 simplified gives 11/4
- So, 45/20 + 7/14 = 11/4
In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+7/14 45/40+7/14 45/20+7/28 45/20+21/14 45/60+7/14 45/20+7/42 45/20+35/14 45/20+7/70 45/20+49/14 45/20+7/98