Add 70/64 and 45/15
1st number: 1 6/64, 2nd number: 3 0/15
70/64 + 45/15 is 131/32.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 15 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 64 × 15 = 960,
70/64 = 70 × 15/64 × 15 = 1050/960 - Likewise, for the 2nd fraction, since 15 × 64 = 960,
45/15 = 45 × 64/15 × 64 = 2880/960 - Add the two like fractions:
1050/960 + 2880/960 = 1050 + 2880/960 = 3930/960 - 3930/960 simplified gives 131/32
- So, 70/64 + 45/15 = 131/32
In mixed form: 43/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/64+90/15 70/64+45/30 70/64+45/75