Add 16/4 and 30/70
1st number: 4 0/4, 2nd number: 30/70
16/4 + 30/70 is 31/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
16/4 = 16 × 35/4 × 35 = 560/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
30/70 = 30 × 2/70 × 2 = 60/140 - Add the two like fractions:
560/140 + 60/140 = 560 + 60/140 = 620/140 - 620/140 simplified gives 31/7
- So, 16/4 + 30/70 = 31/7
In mixed form: 43/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/4+30/70 16/4+60/70 16/8+30/70 48/4+30/70 16/4+90/70 16/12+30/70 80/4+30/70 16/20+30/70 16/28+30/70