Add 20/7 and 90/50
1st number: 2 6/7, 2nd number: 1 40/50
20/7 + 90/50 is 163/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 7 × 50 = 350,
20/7 = 20 × 50/7 × 50 = 1000/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
90/50 = 90 × 7/50 × 7 = 630/350 - Add the two like fractions:
1000/350 + 630/350 = 1000 + 630/350 = 1630/350 - 1630/350 simplified gives 163/35
- So, 20/7 + 90/50 = 163/35
In mixed form: 423/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/7+90/50 20/14+90/50 60/7+90/50 20/21+90/50 20/35+90/50 20/49+90/50