Add 40/30 and 12/60
1st number: 1 10/30, 2nd number: 12/60
40/30 + 12/60 is 23/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
40/30 = 40 × 2/30 × 2 = 80/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
12/60 = 12 × 1/60 × 1 = 12/60 - Add the two like fractions:
80/60 + 12/60 = 80 + 12/60 = 92/60 - 92/60 simplified gives 23/15
- So, 40/30 + 12/60 = 23/15
In mixed form: 18/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+12/60 40/30+24/60 40/60+12/60 40/30+36/60 40/90+12/60 40/30+84/60