Add 98/90 and 4/84
1st number: 1 8/90, 2nd number: 4/84
98/90 + 4/84 is 358/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
98/90 = 98 × 14/90 × 14 = 1372/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
4/84 = 4 × 15/84 × 15 = 60/1260 - Add the two like fractions:
1372/1260 + 60/1260 = 1372 + 60/1260 = 1432/1260 - 1432/1260 simplified gives 358/315
- So, 98/90 + 4/84 = 358/315
In mixed form: 143/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90+8/84 98/90+12/84 98/90+20/84 98/90+28/84