Add 72/56 and 36/80
1st number: 1 16/56, 2nd number: 36/80
72/56 + 36/80 is 243/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 56 × 10 = 560,
72/56 = 72 × 10/56 × 10 = 720/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
36/80 = 36 × 7/80 × 7 = 252/560 - Add the two like fractions:
720/560 + 252/560 = 720 + 252/560 = 972/560 - 972/560 simplified gives 243/140
- So, 72/56 + 36/80 = 243/140
In mixed form: 1103/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/56+72/80