Add 12/4 and 70/15
1st number: 3 0/4, 2nd number: 4 10/15
12/4 + 70/15 is 23/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
12/4 = 12 × 15/4 × 15 = 180/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
70/15 = 70 × 4/15 × 4 = 280/60 - Add the two like fractions:
180/60 + 280/60 = 180 + 280/60 = 460/60 - 460/60 simplified gives 23/3
- So, 12/4 + 70/15 = 23/3
In mixed form: 72/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4+70/15 12/8+70/15 12/4+70/30 36/4+70/15 12/4+70/45 60/4+70/15 12/20+70/15 12/4+70/75 84/4+70/15 12/28+70/15