Add 70/10 and 15/84
1st number: 7 0/10, 2nd number: 15/84
70/10 + 15/84 is 201/28.
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,
15/84 = 15 × 5/84 × 5 = 75/420 - Add the two like fractions:
2940/420 + 75/420 = 2940 + 75/420 = 3015/420 - 3015/420 simplified gives 201/28
- So, 70/10 + 15/84 = 201/28
In mixed form: 75/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10+30/84 70/20+15/84 70/10+45/84 70/30+15/84 70/10+75/84 70/50+15/84