Add 72/20 and 96/56
1st number: 3 12/20, 2nd number: 1 40/56
72/20 + 96/56 is 186/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
72/20 = 72 × 14/20 × 14 = 1008/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
96/56 = 96 × 5/56 × 5 = 480/280 - Add the two like fractions:
1008/280 + 480/280 = 1008 + 480/280 = 1488/280 - 1488/280 simplified gives 186/35
- So, 72/20 + 96/56 = 186/35
In mixed form: 511/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40+96/56 72/60+96/56