Add 40/90 and 24/35
40/90 + 24/35 is 356/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
40/90 = 40 × 7/90 × 7 = 280/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
24/35 = 24 × 18/35 × 18 = 432/630 - Add the two like fractions:
280/630 + 432/630 = 280 + 432/630 = 712/630 - 712/630 simplified gives 356/315
- So, 40/90 + 24/35 = 356/315
In mixed form: 141/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90+24/35 40/90+48/35 40/90+24/70 40/90+72/35