Add 63/60 and 5/4, Solve 1 3/60 + 1 1/4 as a fraction

Add 63/60 and 5/4

1^st number: 1 3/60, 2^nd number: 1 1/4

63/60 + 5/4 is 23/10.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 4 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 60 × 1 = 60,
63/60 = 63 × 1/60 × 1 = 63/60
Likewise, for the 2nd fraction, since 4 × 15 = 60,
5/4 = 5 × 15/4 × 15 = 75/60
Add the two like fractions:
63/60 + 75/60 = 63 + 75/60 = 138/60
138/60 simplified gives 23/10
So, 63/60 + 5/4 = 23/10
In mixed form: 23/10

MathStep (Works offline)

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