Add 75/84 and 72/60, Solve 75/84 + 1 12/60 as a fraction

Add 75/84 and 72/60

1^st number: 75/84, 2^nd number: 1 12/60

75/84 + 72/60 is 293/140.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 84 × 5 = 420,
75/84 = 75 × 5/84 × 5 = 375/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
72/60 = 72 × 7/60 × 7 = 504/420
Add the two like fractions:
375/420 + 504/420 = 375 + 504/420 = 879/420
879/420 simplified gives 293/140
So, 75/84 + 72/60 = 293/140
In mixed form: 213/140

MathStep (Works offline)

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