Add 60/8 and 3/21
1st number: 7 4/8, 2nd number: 3/21
60/8 + 3/21 is 107/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
60/8 = 60 × 21/8 × 21 = 1260/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
3/21 = 3 × 8/21 × 8 = 24/168 - Add the two like fractions:
1260/168 + 24/168 = 1260 + 24/168 = 1284/168 - 1284/168 simplified gives 107/14
- So, 60/8 + 3/21 = 107/14
In mixed form: 79/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8+6/21 60/16+3/21 60/8+3/42 60/8+9/21 60/24+3/21 60/8+3/63 60/8+15/21 60/40+3/21 60/56+3/21