Add 45/20 and 7/16
1st number: 2 5/20, 2nd number: 7/16
45/20 + 7/16 is 43/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
45/20 = 45 × 4/20 × 4 = 180/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
7/16 = 7 × 5/16 × 5 = 35/80 - Add the two like fractions:
180/80 + 35/80 = 180 + 35/80 = 215/80 - 215/80 simplified gives 43/16
- So, 45/20 + 7/16 = 43/16
In mixed form: 211/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+7/16 45/20+14/16 45/40+7/16 45/20+7/32 45/20+21/16 45/60+7/16 45/20+7/48 45/20+35/16 45/20+7/80 45/20+49/16