Add 72/10 and 36/8
1st number: 7 2/10, 2nd number: 4 4/8
72/10 + 36/8 is 117/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
72/10 = 72 × 4/10 × 4 = 288/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
36/8 = 36 × 5/8 × 5 = 180/40 - Add the two like fractions:
288/40 + 180/40 = 288 + 180/40 = 468/40 - 468/40 simplified gives 117/10
- So, 72/10 + 36/8 = 117/10
In mixed form: 117/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/10+72/8 72/20+36/8 72/10+36/16 72/30+36/8 72/10+36/24 72/50+36/8 72/10+36/40 72/70+36/8 72/10+36/56