Add 70/4 and 12/15
1st number: 17 2/4, 2nd number: 12/15
70/4 + 12/15 is 183/10.
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,
70/4 = 70 × 15/4 × 15 = 1050/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
12/15 = 12 × 4/15 × 4 = 48/60 - Add the two like fractions:
1050/60 + 48/60 = 1050 + 48/60 = 1098/60 - 1098/60 simplified gives 183/10
- So, 70/4 + 12/15 = 183/10
In mixed form: 183/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4+24/15 70/8+12/15 70/4+12/30 70/4+36/15 70/12+12/15 70/4+12/45 70/4+60/15 70/20+12/15 70/4+12/75 70/4+84/15 70/28+12/15