Add 32/5 and 90/40
1st number: 6 2/5, 2nd number: 2 10/40
32/5 + 90/40 is 173/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
32/5 = 32 × 8/5 × 8 = 256/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
90/40 = 90 × 1/40 × 1 = 90/40 - Add the two like fractions:
256/40 + 90/40 = 256 + 90/40 = 346/40 - 346/40 simplified gives 173/20
- So, 32/5 + 90/40 = 173/20
In mixed form: 813/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/5+90/40 32/10+90/40 32/5+90/80 96/5+90/40 32/15+90/40 32/25+90/40 32/35+90/40