Add 40/24 and 18/7
1st number: 1 16/24, 2nd number: 2 4/7
40/24 + 18/7 is 89/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 7 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
40/24 = 40 × 7/24 × 7 = 280/168 - Likewise, for the 2nd fraction, since 7 × 24 = 168,
18/7 = 18 × 24/7 × 24 = 432/168 - Add the two like fractions:
280/168 + 432/168 = 280 + 432/168 = 712/168 - 712/168 simplified gives 89/21
- So, 40/24 + 18/7 = 89/21
In mixed form: 45/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/24+18/7 40/24+36/7 40/48+18/7 40/24+18/14 40/24+54/7 40/72+18/7 40/24+18/21 40/24+90/7 40/24+18/35 40/24+18/49