Add 30/12 and 16/40
1st number: 2 6/12, 2nd number: 16/40
30/12 + 16/40 is 29/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
30/12 = 30 × 10/12 × 10 = 300/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
16/40 = 16 × 3/40 × 3 = 48/120 - Add the two like fractions:
300/120 + 48/120 = 300 + 48/120 = 348/120 - 348/120 simplified gives 29/10
- So, 30/12 + 16/40 = 29/10
In mixed form: 29/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12+16/40 30/12+32/40 30/24+16/40 30/12+16/80 90/12+16/40 30/12+48/40 30/36+16/40 30/12+80/40 30/60+16/40 30/84+16/40