Add 49/28 and 90/7
1st number: 1 21/28, 2nd number: 12 6/7
49/28 + 90/7 is 409/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
49/28 = 49 × 1/28 × 1 = 49/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
90/7 = 90 × 4/7 × 4 = 360/28 - Add the two like fractions:
49/28 + 360/28 = 49 + 360/28 = 409/28 - So, 49/28 + 90/7 = 409/28
In mixed form: 1417/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28+90/7 49/56+90/7 49/28+90/14 49/84+90/7 49/28+90/21 49/28+90/35 49/28+90/49