Add 1/35 and 72/60, Solve 1/35 + 1 12/60 as a fraction

Add 1/35 and 72/60

1^st number: 1/35, 2^nd number: 1 12/60

1/35 + 72/60 is 43/35.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 35 × 12 = 420,
1/35 = 1 × 12/35 × 12 = 12/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
72/60 = 72 × 7/60 × 7 = 504/420
Add the two like fractions:
12/420 + 504/420 = 12 + 504/420 = 516/420
516/420 simplified gives 43/35
So, 1/35 + 72/60 = 43/35
In mixed form: 18/35

MathStep (Works offline)

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