Add 45/30 and 12/60
1st number: 1 15/30, 2nd number: 12/60
45/30 + 12/60 is 17/10.
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,
45/30 = 45 × 2/30 × 2 = 90/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
12/60 = 12 × 1/60 × 1 = 12/60 - Add the two like fractions:
90/60 + 12/60 = 90 + 12/60 = 102/60 - 102/60 simplified gives 17/10
- So, 45/30 + 12/60 = 17/10
In mixed form: 17/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+12/60 45/30+24/60 45/60+12/60 45/30+36/60 45/90+12/60 45/30+84/60