Add 70/10 and 45/84
1st number: 7 0/10, 2nd number: 45/84
70/10 + 45/84 is 211/28.
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,
70/10 = 70 × 42/10 × 42 = 2940/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
45/84 = 45 × 5/84 × 5 = 225/420 - Add the two like fractions:
2940/420 + 225/420 = 2940 + 225/420 = 3165/420 - 3165/420 simplified gives 211/28
- So, 70/10 + 45/84 = 211/28
In mixed form: 715/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10+90/84 70/20+45/84 70/30+45/84 70/50+45/84