Add 30/28 and 40/63
1st number: 1 2/28, 2nd number: 40/63
30/28 + 40/63 is 215/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
30/28 = 30 × 9/28 × 9 = 270/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
40/63 = 40 × 4/63 × 4 = 160/252 - Add the two like fractions:
270/252 + 160/252 = 270 + 160/252 = 430/252 - 430/252 simplified gives 215/126
- So, 30/28 + 40/63 = 215/126
In mixed form: 189/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+40/63 30/28+80/63 30/56+40/63 90/28+40/63 30/84+40/63