Add 90/36 and 70/64
1st number: 2 18/36, 2nd number: 1 6/64
90/36 + 70/64 is 115/32.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 64 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 36 × 16 = 576,
90/36 = 90 × 16/36 × 16 = 1440/576 - Likewise, for the 2nd fraction, since 64 × 9 = 576,
70/64 = 70 × 9/64 × 9 = 630/576 - Add the two like fractions:
1440/576 + 630/576 = 1440 + 630/576 = 2070/576 - 2070/576 simplified gives 115/32
- So, 90/36 + 70/64 = 115/32
In mixed form: 319/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/72+70/64