Add 60/7 and 21/63
1st number: 8 4/7, 2nd number: 21/63
60/7 + 21/63 is 187/21.
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,
60/7 = 60 × 9/7 × 9 = 540/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
21/63 = 21 × 1/63 × 1 = 21/63 - Add the two like fractions:
540/63 + 21/63 = 540 + 21/63 = 561/63 - 561/63 simplified gives 187/21
- So, 60/7 + 21/63 = 187/21
In mixed form: 819/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/7+42/63 60/14+21/63 60/21+21/63 60/35+21/63 60/49+21/63