Add 16/4 and 30/40
1st number: 4 0/4, 2nd number: 30/40
16/4 + 30/40 is 19/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
16/4 = 16 × 10/4 × 10 = 160/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
30/40 = 30 × 1/40 × 1 = 30/40 - Add the two like fractions:
160/40 + 30/40 = 160 + 30/40 = 190/40 - 190/40 simplified gives 19/4
- So, 16/4 + 30/40 = 19/4
In mixed form: 43/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/4+30/40 16/4+60/40 16/8+30/40 16/4+30/80 48/4+30/40 16/4+90/40 16/12+30/40 80/4+30/40 16/20+30/40 16/28+30/40