Add 42/48 and 35/70
42/48 + 35/70 is 11/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 70 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 48 × 35 = 1680,
42/48 = 42 × 35/48 × 35 = 1470/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
35/70 = 35 × 24/70 × 24 = 840/1680 - Add the two like fractions:
1470/1680 + 840/1680 = 1470 + 840/1680 = 2310/1680 - 2310/1680 simplified gives 11/8
- So, 42/48 + 35/70 = 11/8
In mixed form: 13/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/48+35/70 42/96+35/70