Add 54/90 and 40/56
54/90 + 40/56 is 46/35.
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,
54/90 = 54 × 28/90 × 28 = 1512/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
40/56 = 40 × 45/56 × 45 = 1800/2520 - Add the two like fractions:
1512/2520 + 1800/2520 = 1512 + 1800/2520 = 3312/2520 - 3312/2520 simplified gives 46/35
- So, 54/90 + 40/56 = 46/35
In mixed form: 111/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90+80/56