Add 72/10 and 5/40
1st number: 7 2/10, 2nd number: 5/40
72/10 + 5/40 is 293/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 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 40 × 1 = 40,
5/40 = 5 × 1/40 × 1 = 5/40 - Add the two like fractions:
288/40 + 5/40 = 288 + 5/40 = 293/40 - So, 72/10 + 5/40 = 293/40
In mixed form: 713/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/10+10/40 72/20+5/40 72/10+5/80 72/10+15/40 72/30+5/40 72/10+25/40 72/50+5/40 72/10+35/40 72/70+5/40