Add 70/56 and 81/80
1st number: 1 14/56, 2nd number: 1 1/80
70/56 + 81/80 is 181/80.
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,
70/56 = 70 × 10/56 × 10 = 700/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
81/80 = 81 × 7/80 × 7 = 567/560 - Add the two like fractions:
700/560 + 567/560 = 700 + 567/560 = 1267/560 - 1267/560 simplified gives 181/80
- So, 70/56 + 81/80 = 181/80
In mixed form: 221/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: