Add 24/70 and 98/90
1st number: 24/70, 2nd number: 1 8/90
24/70 + 98/90 is 451/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
24/70 = 24 × 9/70 × 9 = 216/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
98/90 = 98 × 7/90 × 7 = 686/630 - Add the two like fractions:
216/630 + 686/630 = 216 + 686/630 = 902/630 - 902/630 simplified gives 451/315
- So, 24/70 + 98/90 = 451/315
In mixed form: 1136/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/70+98/90 72/70+98/90