Add 90/70 and 24/98
1st number: 1 20/70, 2nd number: 24/98
90/70 + 24/98 is 75/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
90/70 = 90 × 7/70 × 7 = 630/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
24/98 = 24 × 5/98 × 5 = 120/490 - Add the two like fractions:
630/490 + 120/490 = 630 + 120/490 = 750/490 - 750/490 simplified gives 75/49
- So, 90/70 + 24/98 = 75/49
In mixed form: 126/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70+48/98 90/70+72/98