Add 49/90 and 30/28
1st number: 49/90, 2nd number: 1 2/28
49/90 + 30/28 is 509/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
49/90 = 49 × 14/90 × 14 = 686/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
30/28 = 30 × 45/28 × 45 = 1350/1260 - Add the two like fractions:
686/1260 + 1350/1260 = 686 + 1350/1260 = 2036/1260 - 2036/1260 simplified gives 509/315
- So, 49/90 + 30/28 = 509/315
In mixed form: 1194/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90+30/28 49/90+60/28 49/90+30/56 49/90+90/28 49/90+30/84