Add 18/10 and 72/98
1st number: 1 8/10, 2nd number: 72/98
18/10 + 72/98 is 621/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
18/10 = 18 × 49/10 × 49 = 882/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
72/98 = 72 × 5/98 × 5 = 360/490 - Add the two like fractions:
882/490 + 360/490 = 882 + 360/490 = 1242/490 - 1242/490 simplified gives 621/245
- So, 18/10 + 72/98 = 621/245
In mixed form: 2131/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10+72/98 18/20+72/98 54/10+72/98 18/30+72/98 90/10+72/98 18/50+72/98 18/70+72/98