Add 84/70 and 9/25, Solve 1 14/70 + 9/25 as a fraction

Add 84/70 and 9/25

1^st number: 1 14/70, 2^nd number: 9/25

84/70 + 9/25 is 39/25.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 25 is 350

Next, find the equivalent fraction of both fractional numbers with denominator 350
For the 1st fraction, since 70 × 5 = 350,
84/70 = 84 × 5/70 × 5 = 420/350
Likewise, for the 2nd fraction, since 25 × 14 = 350,
9/25 = 9 × 14/25 × 14 = 126/350
Add the two like fractions:
420/350 + 126/350 = 420 + 126/350 = 546/350
546/350 simplified gives 39/25
So, 84/70 + 9/25 = 39/25
In mixed form: 114/25

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad