Add 70/15 and 75/16
1st number: 4 10/15, 2nd number: 4 11/16
70/15 + 75/16 is 449/48.
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,
75/16 = 75 × 15/16 × 15 = 1125/240 - Add the two like fractions:
1120/240 + 1125/240 = 1120 + 1125/240 = 2245/240 - 2245/240 simplified gives 449/48
- So, 70/15 + 75/16 = 449/48
In mixed form: 917/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30+75/16 70/15+75/32 70/45+75/16 70/15+75/48 70/75+75/16 70/15+75/80