Add 63/35 and 4/10, Solve 1 28/35 + 4/10 as a fraction

Add 63/35 and 4/10

1^st number: 1 28/35, 2^nd number: 4/10

63/35 + 4/10 is 11/5.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 10 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 35 × 2 = 70,
63/35 = 63 × 2/35 × 2 = 126/70
Likewise, for the 2nd fraction, since 10 × 7 = 70,
4/10 = 4 × 7/10 × 7 = 28/70
Add the two like fractions:
126/70 + 28/70 = 126 + 28/70 = 154/70
154/70 simplified gives 11/5
So, 63/35 + 4/10 = 11/5
In mixed form: 21/5

MathStep (Works offline)

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