Add 3/30 and 12/5
1st number: 3/30, 2nd number: 2 2/5
3/30 + 12/5 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
3/30 = 3 × 1/30 × 1 = 3/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
12/5 = 12 × 6/5 × 6 = 72/30 - Add the two like fractions:
3/30 + 72/30 = 3 + 72/30 = 75/30 - 75/30 simplified gives 5/2
- So, 3/30 + 12/5 = 5/2
In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30+12/5 3/30+24/5 3/60+12/5 3/30+12/10 9/30+12/5 3/30+36/5 3/90+12/5 3/30+12/15 15/30+12/5 3/30+60/5 3/30+12/25 21/30+12/5 3/30+84/5 3/30+12/35