Add 90/48 and 20/30
1st number: 1 42/48, 2nd number: 20/30
90/48 + 20/30 is 61/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
90/48 = 90 × 5/48 × 5 = 450/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
20/30 = 20 × 8/30 × 8 = 160/240 - Add the two like fractions:
450/240 + 160/240 = 450 + 160/240 = 610/240 - 610/240 simplified gives 61/24
- So, 90/48 + 20/30 = 61/24
In mixed form: 213/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/48+40/30 90/96+20/30 90/48+20/60 90/48+60/30 90/48+20/90