Add 84/56 and 40/80
1st number: 1 28/56, 2nd number: 40/80
84/56 + 40/80 is 2/1.
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,
84/56 = 84 × 10/56 × 10 = 840/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
40/80 = 40 × 7/80 × 7 = 280/560 - Add the two like fractions:
840/560 + 280/560 = 840 + 280/560 = 1120/560 - 1120/560 simplified gives 2/1
- So, 84/56 + 40/80 = 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: