Add 30/90 and 30/32
30/90 + 30/32 is 61/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
30/90 = 30 × 16/90 × 16 = 480/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
30/32 = 30 × 45/32 × 45 = 1350/1440 - Add the two like fractions:
480/1440 + 1350/1440 = 480 + 1350/1440 = 1830/1440 - 1830/1440 simplified gives 61/48
- So, 30/90 + 30/32 = 61/48
In mixed form: 113/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90+30/32 30/90+60/32 30/90+30/64 30/90+90/32 30/90+30/96