Add 90/10 and 45/64
1st number: 9 0/10, 2nd number: 45/64
90/10 + 45/64 is 621/64.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 10 × 32 = 320,
90/10 = 90 × 32/10 × 32 = 2880/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
45/64 = 45 × 5/64 × 5 = 225/320 - Add the two like fractions:
2880/320 + 225/320 = 2880 + 225/320 = 3105/320 - 3105/320 simplified gives 621/64
- So, 90/10 + 45/64 = 621/64
In mixed form: 945/64
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10+90/64 90/20+45/64 90/30+45/64 90/50+45/64 90/70+45/64