Add 32/28 and 28/40
1st number: 1 4/28, 2nd number: 28/40
32/28 + 28/40 is 129/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
32/28 = 32 × 10/28 × 10 = 320/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
28/40 = 28 × 7/40 × 7 = 196/280 - Add the two like fractions:
320/280 + 196/280 = 320 + 196/280 = 516/280 - 516/280 simplified gives 129/70
- So, 32/28 + 28/40 = 129/70
In mixed form: 159/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/28+28/40 32/28+56/40 32/56+28/40 32/28+28/80 96/28+28/40 32/28+84/40 32/84+28/40