Add 49/84 and 10/90
49/84 + 10/90 is 25/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
49/84 = 49 × 15/84 × 15 = 735/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
10/90 = 10 × 14/90 × 14 = 140/1260 - Add the two like fractions:
735/1260 + 140/1260 = 735 + 140/1260 = 875/1260 - 875/1260 simplified gives 25/36
- So, 49/84 + 10/90 = 25/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/84+10/90 49/84+20/90 49/84+30/90 49/84+50/90 49/84+70/90