Add 48/42 and 30/7, Solve 1 6/42 + 4 2/7 as a fraction

Add 48/42 and 30/7

1^st number: 1 6/42, 2^nd number: 4 2/7

48/42 + 30/7 is 38/7.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 42 × 1 = 42,
48/42 = 48 × 1/42 × 1 = 48/42
Likewise, for the 2nd fraction, since 7 × 6 = 42,
30/7 = 30 × 6/7 × 6 = 180/42
Add the two like fractions:
48/42 + 180/42 = 48 + 180/42 = 228/42
228/42 simplified gives 38/7
So, 48/42 + 30/7 = 38/7
In mixed form: 53/7

MathStep (Works offline)

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