Add 90/40 and 50/28
1st number: 2 10/40, 2nd number: 1 22/28
90/40 + 50/28 is 113/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 28 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
90/40 = 90 × 7/40 × 7 = 630/280 - Likewise, for the 2nd fraction, since 28 × 10 = 280,
50/28 = 50 × 10/28 × 10 = 500/280 - Add the two like fractions:
630/280 + 500/280 = 630 + 500/280 = 1130/280 - 1130/280 simplified gives 113/28
- So, 90/40 + 50/28 = 113/28
In mixed form: 41/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/80+50/28 90/40+50/56 90/40+50/84