Add 40/56 and 14/90
40/56 + 14/90 is 274/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 90 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
40/56 = 40 × 45/56 × 45 = 1800/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
14/90 = 14 × 28/90 × 28 = 392/2520 - Add the two like fractions:
1800/2520 + 392/2520 = 1800 + 392/2520 = 2192/2520 - 2192/2520 simplified gives 274/315
- So, 40/56 + 14/90 = 274/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56+14/90 40/56+28/90 40/56+42/90 40/56+70/90 40/56+98/90