Add 40/30 and 16/15
1st number: 1 10/30, 2nd number: 1 1/15
40/30 + 16/15 is 12/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
40/30 = 40 × 1/30 × 1 = 40/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
16/15 = 16 × 2/15 × 2 = 32/30 - Add the two like fractions:
40/30 + 32/30 = 40 + 32/30 = 72/30 - 72/30 simplified gives 12/5
- So, 40/30 + 16/15 = 12/5
In mixed form: 22/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+16/15 40/30+32/15 40/60+16/15 40/30+16/30 40/30+48/15 40/90+16/15 40/30+16/45 40/30+80/15 40/30+16/75