Add 3/30 and 25/8
1st number: 3/30, 2nd number: 3 1/8
3/30 + 25/8 is 129/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
3/30 = 3 × 4/30 × 4 = 12/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
25/8 = 25 × 15/8 × 15 = 375/120 - Add the two like fractions:
12/120 + 375/120 = 12 + 375/120 = 387/120 - 387/120 simplified gives 129/40
- So, 3/30 + 25/8 = 129/40
In mixed form: 39/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30+25/8 3/30+50/8 3/60+25/8 3/30+25/16 9/30+25/8 3/30+75/8 3/90+25/8 3/30+25/24 15/30+25/8 3/30+25/40 21/30+25/8 3/30+25/56