Add 80/15 and 70/16
1st number: 5 5/15, 2nd number: 4 6/16
80/15 + 70/16 is 233/24.
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,
80/15 = 80 × 16/15 × 16 = 1280/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
70/16 = 70 × 15/16 × 15 = 1050/240 - Add the two like fractions:
1280/240 + 1050/240 = 1280 + 1050/240 = 2330/240 - 2330/240 simplified gives 233/24
- So, 80/15 + 70/16 = 233/24
In mixed form: 917/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+70/16 80/15+70/32 80/45+70/16 80/15+70/48 80/75+70/16 80/15+70/80