Add 8/10 and 45/40
1st number: 8/10, 2nd number: 1 5/40
8/10 + 45/40 is 77/40.
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,
8/10 = 8 × 4/10 × 4 = 32/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
45/40 = 45 × 1/40 × 1 = 45/40 - Add the two like fractions:
32/40 + 45/40 = 32 + 45/40 = 77/40 - So, 8/10 + 45/40 = 77/40
In mixed form: 137/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10+45/40 8/10+90/40 8/20+45/40 8/10+45/80 24/10+45/40 8/30+45/40 40/10+45/40 8/50+45/40 56/10+45/40 8/70+45/40