Add 7/90 and 49/84
7/90 + 49/84 is 119/180.
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,
7/90 = 7 × 14/90 × 14 = 98/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
49/84 = 49 × 15/84 × 15 = 735/1260 - Add the two like fractions:
98/1260 + 735/1260 = 98 + 735/1260 = 833/1260 - 833/1260 simplified gives 119/180
- So, 7/90 + 49/84 = 119/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/90+49/84 7/90+98/84 21/90+49/84 35/90+49/84 49/90+49/84