Add 63/80 and 24/42
63/80 + 24/42 is 761/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 42 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
63/80 = 63 × 21/80 × 21 = 1323/1680 - Likewise, for the 2nd fraction, since 42 × 40 = 1680,
24/42 = 24 × 40/42 × 40 = 960/1680 - Add the two like fractions:
1323/1680 + 960/1680 = 1323 + 960/1680 = 2283/1680 - 2283/1680 simplified gives 761/560
- So, 63/80 + 24/42 = 761/560
In mixed form: 1201/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/80+48/42 63/80+24/84 63/80+72/42