Add 16/20 and 45/70
16/20 + 45/70 is 101/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 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 70 × 2 = 140,
45/70 = 45 × 2/70 × 2 = 90/140 - Add the two like fractions:
112/140 + 90/140 = 112 + 90/140 = 202/140 - 202/140 simplified gives 101/70
- So, 16/20 + 45/70 = 101/70
In mixed form: 131/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/20+45/70 16/20+90/70 16/40+45/70 48/20+45/70 16/60+45/70 80/20+45/70