Add 18/80 and 4/56
18/80 + 4/56 is 83/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 56 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
18/80 = 18 × 7/80 × 7 = 126/560 - Likewise, for the 2nd fraction, since 56 × 10 = 560,
4/56 = 4 × 10/56 × 10 = 40/560 - Add the two like fractions:
126/560 + 40/560 = 126 + 40/560 = 166/560 - 166/560 simplified gives 83/280
- So, 18/80 + 4/56 = 83/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/80+4/56 18/80+8/56 54/80+4/56 18/80+12/56 90/80+4/56 18/80+20/56 18/80+28/56