Add 75/10 and 2/45
1st number: 7 5/10, 2nd number: 2/45
75/10 + 2/45 is 679/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
75/10 = 75 × 9/10 × 9 = 675/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
2/45 = 2 × 2/45 × 2 = 4/90 - Add the two like fractions:
675/90 + 4/90 = 675 + 4/90 = 679/90 - So, 75/10 + 2/45 = 679/90
In mixed form: 749/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/10+4/45 75/20+2/45 75/10+2/90 75/10+6/45 75/30+2/45 75/10+10/45 75/50+2/45 75/10+14/45 75/70+2/45