Add 28/4 and 30/63
1st number: 7 0/4, 2nd number: 30/63
28/4 + 30/63 is 157/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
28/4 = 28 × 63/4 × 63 = 1764/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
30/63 = 30 × 4/63 × 4 = 120/252 - Add the two like fractions:
1764/252 + 120/252 = 1764 + 120/252 = 1884/252 - 1884/252 simplified gives 157/21
- So, 28/4 + 30/63 = 157/21
In mixed form: 710/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4+30/63 28/4+60/63 28/8+30/63 84/4+30/63 28/4+90/63 28/12+30/63 28/20+30/63