Add 18/90 and 1/56
18/90 + 1/56 is 61/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 90 × 28 = 2520,
18/90 = 18 × 28/90 × 28 = 504/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
1/56 = 1 × 45/56 × 45 = 45/2520 - Add the two like fractions:
504/2520 + 45/2520 = 504 + 45/2520 = 549/2520 - 549/2520 simplified gives 61/280
- So, 18/90 + 1/56 = 61/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/90+1/56 18/90+2/56 54/90+1/56 18/90+3/56 18/90+5/56 18/90+7/56