Add 72/30 and 4/8
1st number: 2 12/30, 2nd number: 4/8
72/30 + 4/8 is 29/10.
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,
72/30 = 72 × 4/30 × 4 = 288/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
4/8 = 4 × 15/8 × 15 = 60/120 - Add the two like fractions:
288/120 + 60/120 = 288 + 60/120 = 348/120 - 348/120 simplified gives 29/10
- So, 72/30 + 4/8 = 29/10
In mixed form: 29/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/60+4/8 72/30+4/16 72/30+12/8 72/90+4/8 72/30+4/24 72/30+20/8 72/30+4/40 72/30+28/8 72/30+4/56