Add 60/90 and 45/64
60/90 + 45/64 is 263/192.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 64 is 2880
Next, find the equivalent fraction of both fractional numbers with denominator 2880 - For the 1st fraction, since 90 × 32 = 2880,
60/90 = 60 × 32/90 × 32 = 1920/2880 - Likewise, for the 2nd fraction, since 64 × 45 = 2880,
45/64 = 45 × 45/64 × 45 = 2025/2880 - Add the two like fractions:
1920/2880 + 2025/2880 = 1920 + 2025/2880 = 3945/2880 - 3945/2880 simplified gives 263/192
- So, 60/90 + 45/64 = 263/192
In mixed form: 171/192
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90+90/64