Add 70/15 and 18/16
1st number: 4 10/15, 2nd number: 1 2/16
70/15 + 18/16 is 139/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
70/15 = 70 × 16/15 × 16 = 1120/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
18/16 = 18 × 15/16 × 15 = 270/240 - Add the two like fractions:
1120/240 + 270/240 = 1120 + 270/240 = 1390/240 - 1390/240 simplified gives 139/24
- So, 70/15 + 18/16 = 139/24
In mixed form: 519/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+36/16 70/30+18/16 70/15+18/32 70/15+54/16 70/45+18/16 70/15+18/48 70/15+90/16 70/75+18/16 70/15+18/80