Add 20/16 and 45/7
1st number: 1 4/16, 2nd number: 6 3/7
20/16 + 45/7 is 215/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 7 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
20/16 = 20 × 7/16 × 7 = 140/112 - Likewise, for the 2nd fraction, since 7 × 16 = 112,
45/7 = 45 × 16/7 × 16 = 720/112 - Add the two like fractions:
140/112 + 720/112 = 140 + 720/112 = 860/112 - 860/112 simplified gives 215/28
- So, 20/16 + 45/7 = 215/28
In mixed form: 719/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/16+45/7 20/16+90/7 20/32+45/7 20/16+45/14 60/16+45/7 20/48+45/7 20/16+45/21 20/80+45/7 20/16+45/35 20/16+45/49