Add 90/2 and 64/7
1st number: 45 0/2, 2nd number: 9 1/7
90/2 + 64/7 is 379/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
90/2 = 90 × 7/2 × 7 = 630/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
64/7 = 64 × 2/7 × 2 = 128/14 - Add the two like fractions:
630/14 + 128/14 = 630 + 128/14 = 758/14 - 758/14 simplified gives 379/7
- So, 90/2 + 64/7 = 379/7
In mixed form: 541/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+64/7 90/2+64/14 90/6+64/7 90/2+64/21 90/10+64/7 90/2+64/35 90/14+64/7 90/2+64/49