Add 27/10 and 90/28
1st number: 2 7/10, 2nd number: 3 6/28
27/10 + 90/28 is 207/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
27/10 = 27 × 14/10 × 14 = 378/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
90/28 = 90 × 5/28 × 5 = 450/140 - Add the two like fractions:
378/140 + 450/140 = 378 + 450/140 = 828/140 - 828/140 simplified gives 207/35
- So, 27/10 + 90/28 = 207/35
In mixed form: 532/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10+90/28 27/20+90/28 27/10+90/56 81/10+90/28 27/30+90/28 27/10+90/84 27/50+90/28 27/70+90/28