Add 90/64 and 1/90
1st number: 1 26/64, 2nd number: 1/90
90/64 + 1/90 is 2041/1440.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 90 is 2880
Next, find the equivalent fraction of both fractional numbers with denominator 2880 - For the 1st fraction, since 64 × 45 = 2880,
90/64 = 90 × 45/64 × 45 = 4050/2880 - Likewise, for the 2nd fraction, since 90 × 32 = 2880,
1/90 = 1 × 32/90 × 32 = 32/2880 - Add the two like fractions:
4050/2880 + 32/2880 = 4050 + 32/2880 = 4082/2880 - 4082/2880 simplified gives 2041/1440
- So, 90/64 + 1/90 = 2041/1440
In mixed form: 1601/1440
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/64+2/90 90/64+3/90 90/64+5/90 90/64+7/90