Add 70/49 and 49/30
1st number: 1 21/49, 2nd number: 1 19/30
70/49 + 49/30 is 643/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 49 × 30 = 1470,
70/49 = 70 × 30/49 × 30 = 2100/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
49/30 = 49 × 49/30 × 49 = 2401/1470 - Add the two like fractions:
2100/1470 + 2401/1470 = 2100 + 2401/1470 = 4501/1470 - 4501/1470 simplified gives 643/210
- So, 70/49 + 49/30 = 643/210
In mixed form: 313/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/49+98/30 70/98+49/30 70/49+49/60 70/49+49/90