Add 42/10 and 16/45
1st number: 4 2/10, 2nd number: 16/45
42/10 + 16/45 is 41/9.
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,
42/10 = 42 × 9/10 × 9 = 378/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
16/45 = 16 × 2/45 × 2 = 32/90 - Add the two like fractions:
378/90 + 32/90 = 378 + 32/90 = 410/90 - 410/90 simplified gives 41/9
- So, 42/10 + 16/45 = 41/9
In mixed form: 45/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+16/45 42/10+32/45 42/20+16/45 42/10+16/90 42/10+48/45 42/30+16/45 42/10+80/45 42/50+16/45 42/70+16/45