Add 10/80 and 98/21
1st number: 10/80, 2nd number: 4 14/21
10/80 + 98/21 is 115/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 21 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
10/80 = 10 × 21/80 × 21 = 210/1680 - Likewise, for the 2nd fraction, since 21 × 80 = 1680,
98/21 = 98 × 80/21 × 80 = 7840/1680 - Add the two like fractions:
210/1680 + 7840/1680 = 210 + 7840/1680 = 8050/1680 - 8050/1680 simplified gives 115/24
- So, 10/80 + 98/21 = 115/24
In mixed form: 419/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80+98/21 10/80+98/42 30/80+98/21 10/80+98/63 50/80+98/21 70/80+98/21