Add 48/90 and 20/32
48/90 + 20/32 is 139/120.
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,
48/90 = 48 × 16/90 × 16 = 768/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
20/32 = 20 × 45/32 × 45 = 900/1440 - Add the two like fractions:
768/1440 + 900/1440 = 768 + 900/1440 = 1668/1440 - 1668/1440 simplified gives 139/120
- So, 48/90 + 20/32 = 139/120
In mixed form: 119/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/90+20/32 48/90+40/32 48/90+20/64 48/90+60/32 48/90+20/96