Add 4/28 and 49/90
4/28 + 49/90 is 433/630.
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,
49/90 = 49 × 14/90 × 14 = 686/1260 - Add the two like fractions:
180/1260 + 686/1260 = 180 + 686/1260 = 866/1260 - 866/1260 simplified gives 433/630
- So, 4/28 + 49/90 = 433/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/28+49/90 4/28+98/90 4/56+49/90 12/28+49/90 4/84+49/90 20/28+49/90