Add 16/20 and 40/7
1st number: 16/20, 2nd number: 5 5/7
16/20 + 40/7 is 228/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 7 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
16/20 = 16 × 7/20 × 7 = 112/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
40/7 = 40 × 20/7 × 20 = 800/140 - Add the two like fractions:
112/140 + 800/140 = 112 + 800/140 = 912/140 - 912/140 simplified gives 228/35
- So, 16/20 + 40/7 = 228/35
In mixed form: 618/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/20+40/7 16/20+80/7 16/40+40/7 16/20+40/14 48/20+40/7 16/60+40/7 16/20+40/21 80/20+40/7 16/20+40/35 16/20+40/49