Add 84/70 and 10/80
1st number: 1 14/70, 2nd number: 10/80
84/70 + 10/80 is 53/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
84/70 = 84 × 8/70 × 8 = 672/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
10/80 = 10 × 7/80 × 7 = 70/560 - Add the two like fractions:
672/560 + 70/560 = 672 + 70/560 = 742/560 - 742/560 simplified gives 53/40
- So, 84/70 + 10/80 = 53/40
In mixed form: 113/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+20/80 84/70+30/80 84/70+50/80 84/70+70/80