Add 28/5 and 7/63
1st number: 5 3/5, 2nd number: 7/63
28/5 + 7/63 is 257/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
28/5 = 28 × 63/5 × 63 = 1764/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
7/63 = 7 × 5/63 × 5 = 35/315 - Add the two like fractions:
1764/315 + 35/315 = 1764 + 35/315 = 1799/315 - 1799/315 simplified gives 257/45
- So, 28/5 + 7/63 = 257/45
In mixed form: 532/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5+7/63 28/5+14/63 28/10+7/63 84/5+7/63 28/5+21/63 28/15+7/63 28/5+35/63 28/25+7/63 28/5+49/63 28/35+7/63