Add 70/4 and 9/15
1st number: 17 2/4, 2nd number: 9/15
70/4 + 9/15 is 181/10.
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,
9/15 = 9 × 4/15 × 4 = 36/60 - Add the two like fractions:
1050/60 + 36/60 = 1050 + 36/60 = 1086/60 - 1086/60 simplified gives 181/10
- So, 70/4 + 9/15 = 181/10
In mixed form: 181/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4+18/15 70/8+9/15 70/4+9/30 70/4+27/15 70/12+9/15 70/4+9/45 70/4+45/15 70/20+9/15 70/4+9/75 70/4+63/15 70/28+9/15