Add 49/30 and 70/63
1st number: 1 19/30, 2nd number: 1 7/63
49/30 + 70/63 is 247/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
49/30 = 49 × 21/30 × 21 = 1029/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
70/63 = 70 × 10/63 × 10 = 700/630 - Add the two like fractions:
1029/630 + 700/630 = 1029 + 700/630 = 1729/630 - 1729/630 simplified gives 247/90
- So, 49/30 + 70/63 = 247/90
In mixed form: 267/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/30+70/63 49/60+70/63 49/90+70/63