Add 45/10 and 75/84
1st number: 4 5/10, 2nd number: 75/84
45/10 + 75/84 is 151/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
45/10 = 45 × 42/10 × 42 = 1890/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
75/84 = 75 × 5/84 × 5 = 375/420 - Add the two like fractions:
1890/420 + 375/420 = 1890 + 375/420 = 2265/420 - 2265/420 simplified gives 151/28
- So, 45/10 + 75/84 = 151/28
In mixed form: 511/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10+75/84 45/20+75/84 45/30+75/84 45/50+75/84 45/70+75/84