Add 4/28 and 48/90
4/28 + 48/90 is 71/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
4/28 = 4 × 45/28 × 45 = 180/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
48/90 = 48 × 14/90 × 14 = 672/1260 - Add the two like fractions:
180/1260 + 672/1260 = 180 + 672/1260 = 852/1260 - 852/1260 simplified gives 71/105
- So, 4/28 + 48/90 = 71/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/28+48/90 4/28+96/90 4/56+48/90 12/28+48/90 4/84+48/90 20/28+48/90