Add 90/5 and 20/49
1st number: 18 0/5, 2nd number: 20/49
90/5 + 20/49 is 902/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 5 × 49 = 245,
90/5 = 90 × 49/5 × 49 = 4410/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
20/49 = 20 × 5/49 × 5 = 100/245 - Add the two like fractions:
4410/245 + 100/245 = 4410 + 100/245 = 4510/245 - 4510/245 simplified gives 902/49
- So, 90/5 + 20/49 = 902/49
In mixed form: 1820/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5+40/49 90/10+20/49 90/5+20/98 90/5+60/49 90/15+20/49 90/25+20/49 90/35+20/49