Add 45/10 and 12/40
1st number: 4 5/10, 2nd number: 12/40
45/10 + 12/40 is 24/5.
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,
45/10 = 45 × 4/10 × 4 = 180/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
12/40 = 12 × 1/40 × 1 = 12/40 - Add the two like fractions:
180/40 + 12/40 = 180 + 12/40 = 192/40 - 192/40 simplified gives 24/5
- So, 45/10 + 12/40 = 24/5
In mixed form: 44/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10+12/40 45/10+24/40 45/20+12/40 45/10+12/80 45/10+36/40 45/30+12/40 45/10+60/40 45/50+12/40 45/10+84/40 45/70+12/40