Add 2/45 and 98/21
1st number: 2/45, 2nd number: 4 14/21
2/45 + 98/21 is 212/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 21 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
2/45 = 2 × 7/45 × 7 = 14/315 - Likewise, for the 2nd fraction, since 21 × 15 = 315,
98/21 = 98 × 15/21 × 15 = 1470/315 - Add the two like fractions:
14/315 + 1470/315 = 14 + 1470/315 = 1484/315 - 1484/315 simplified gives 212/45
- So, 2/45 + 98/21 = 212/45
In mixed form: 432/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/45+98/21 2/90+98/21 2/45+98/42 6/45+98/21 2/45+98/63 10/45+98/21 14/45+98/21