Add 48/30 and 28/90
1st number: 1 18/30, 2nd number: 28/90
48/30 + 28/90 is 86/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
48/30 = 48 × 3/30 × 3 = 144/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
28/90 = 28 × 1/90 × 1 = 28/90 - Add the two like fractions:
144/90 + 28/90 = 144 + 28/90 = 172/90 - 172/90 simplified gives 86/45
- So, 48/30 + 28/90 = 86/45
In mixed form: 141/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/30+28/90 48/30+56/90 48/60+28/90 48/30+84/90 48/90+28/90