Add 15/30 and 10/49
15/30 + 10/49 is 69/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 49 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
15/30 = 15 × 49/30 × 49 = 735/1470 - Likewise, for the 2nd fraction, since 49 × 30 = 1470,
10/49 = 10 × 30/49 × 30 = 300/1470 - Add the two like fractions:
735/1470 + 300/1470 = 735 + 300/1470 = 1035/1470 - 1035/1470 simplified gives 69/98
- So, 15/30 + 10/49 = 69/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30+20/49 15/60+10/49 15/30+10/98 45/30+10/49 15/30+30/49 15/90+10/49 75/30+10/49 15/30+50/49 15/30+70/49