Add 1/7 and 45/63
1/7 + 45/63 is 6/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
1/7 = 1 × 9/7 × 9 = 9/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
45/63 = 45 × 1/63 × 1 = 45/63 - Add the two like fractions:
9/63 + 45/63 = 9 + 45/63 = 54/63 - 54/63 simplified gives 6/7
- So, 1/7 + 45/63 = 6/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/7+45/63 1/7+90/63 1/14+45/63 3/7+45/63 1/21+45/63 5/7+45/63 1/35+45/63 1/49+45/63