Add 32/4 and 90/72
1st number: 8 0/4, 2nd number: 1 18/72
32/4 + 90/72 is 37/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
32/4 = 32 × 18/4 × 18 = 576/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72 - Add the two like fractions:
576/72 + 90/72 = 576 + 90/72 = 666/72 - 666/72 simplified gives 37/4
- So, 32/4 + 90/72 = 37/4
In mixed form: 91/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/4+90/72 32/8+90/72 96/4+90/72 32/12+90/72 32/20+90/72 32/28+90/72