Add 28/63 and 9/40
28/63 + 9/40 is 241/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 63 × 40 = 2520,
28/63 = 28 × 40/63 × 40 = 1120/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
9/40 = 9 × 63/40 × 63 = 567/2520 - Add the two like fractions:
1120/2520 + 567/2520 = 1120 + 567/2520 = 1687/2520 - 1687/2520 simplified gives 241/360
- So, 28/63 + 9/40 = 241/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+9/40 28/63+18/40 28/63+9/80 84/63+9/40 28/63+27/40 28/63+45/40 28/63+63/40