Add 48/90 and 28/56
48/90 + 28/56 is 31/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 90 × 28 = 2520,
48/90 = 48 × 28/90 × 28 = 1344/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
28/56 = 28 × 45/56 × 45 = 1260/2520 - Add the two like fractions:
1344/2520 + 1260/2520 = 1344 + 1260/2520 = 2604/2520 - 2604/2520 simplified gives 31/30
- So, 48/90 + 28/56 = 31/30
In mixed form: 11/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/90+28/56 48/90+84/56