Add 8/30 and 21/48
8/30 + 21/48 is 169/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
8/30 = 8 × 8/30 × 8 = 64/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
21/48 = 21 × 5/48 × 5 = 105/240 - Add the two like fractions:
64/240 + 105/240 = 64 + 105/240 = 169/240 - So, 8/30 + 21/48 = 169/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30+21/48 8/30+42/48 8/60+21/48 8/30+21/96 24/30+21/48 8/30+63/48 8/90+21/48 40/30+21/48 56/30+21/48