Add 16/28 and 49/90
16/28 + 49/90 is 703/630.
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,
16/28 = 16 × 45/28 × 45 = 720/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
49/90 = 49 × 14/90 × 14 = 686/1260 - Add the two like fractions:
720/1260 + 686/1260 = 720 + 686/1260 = 1406/1260 - 1406/1260 simplified gives 703/630
- So, 16/28 + 49/90 = 703/630
In mixed form: 173/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/28+49/90 16/28+98/90 16/56+49/90 48/28+49/90 16/84+49/90 80/28+49/90