Add 8/30 and 3/28
8/30 + 3/28 is 157/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
8/30 = 8 × 14/30 × 14 = 112/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
3/28 = 3 × 15/28 × 15 = 45/420 - Add the two like fractions:
112/420 + 45/420 = 112 + 45/420 = 157/420 - So, 8/30 + 3/28 = 157/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30+3/28 8/30+6/28 8/60+3/28 8/30+3/56 24/30+3/28 8/30+9/28 8/90+3/28 8/30+3/84 40/30+3/28 8/30+15/28 56/30+3/28 8/30+21/28