Add 16/20 and 7/8
16/20 + 7/8 is 67/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
16/20 = 16 × 2/20 × 2 = 32/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
7/8 = 7 × 5/8 × 5 = 35/40 - Add the two like fractions:
32/40 + 35/40 = 32 + 35/40 = 67/40 - So, 16/20 + 7/8 = 67/40
In mixed form: 127/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/20+7/8 16/20+14/8 16/40+7/8 16/20+7/16 48/20+7/8 16/20+21/8 16/60+7/8 16/20+7/24 80/20+7/8 16/20+35/8 16/20+7/40 16/20+49/8 16/20+7/56