Add 49/28 and 90/5
1st number: 1 21/28, 2nd number: 18 0/5
49/28 + 90/5 is 79/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
49/28 = 49 × 5/28 × 5 = 245/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
90/5 = 90 × 28/5 × 28 = 2520/140 - Add the two like fractions:
245/140 + 2520/140 = 245 + 2520/140 = 2765/140 - 2765/140 simplified gives 79/4
- So, 49/28 + 90/5 = 79/4
In mixed form: 193/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28+90/5 49/56+90/5 49/28+90/10 49/84+90/5 49/28+90/15 49/28+90/25 49/28+90/35