Add 90/40 and 24/98
1st number: 2 10/40, 2nd number: 24/98
90/40 + 24/98 is 489/196.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 98 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
90/40 = 90 × 49/40 × 49 = 4410/1960 - Likewise, for the 2nd fraction, since 98 × 20 = 1960,
24/98 = 24 × 20/98 × 20 = 480/1960 - Add the two like fractions:
4410/1960 + 480/1960 = 4410 + 480/1960 = 4890/1960 - 4890/1960 simplified gives 489/196
- So, 90/40 + 24/98 = 489/196
In mixed form: 297/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+48/98 90/80+24/98 90/40+72/98