Add 42/20 and 70/96
1st number: 2 2/20, 2nd number: 70/96
42/20 + 70/96 is 679/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 96 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 20 × 24 = 480,
42/20 = 42 × 24/20 × 24 = 1008/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
70/96 = 70 × 5/96 × 5 = 350/480 - Add the two like fractions:
1008/480 + 350/480 = 1008 + 350/480 = 1358/480 - 1358/480 simplified gives 679/240
- So, 42/20 + 70/96 = 679/240
In mixed form: 2199/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+70/96 42/40+70/96 42/60+70/96