Add 1/30 and 70/49
1st number: 1/30, 2nd number: 1 21/49
1/30 + 70/49 is 307/210.
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,
1/30 = 1 × 49/30 × 49 = 49/1470 - Likewise, for the 2nd fraction, since 49 × 30 = 1470,
70/49 = 70 × 30/49 × 30 = 2100/1470 - Add the two like fractions:
49/1470 + 2100/1470 = 49 + 2100/1470 = 2149/1470 - 2149/1470 simplified gives 307/210
- So, 1/30 + 70/49 = 307/210
In mixed form: 197/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30+70/49 1/60+70/49 1/30+70/98 3/30+70/49 1/90+70/49 5/30+70/49 7/30+70/49