Add 75/10 and 42/56
1st number: 7 5/10, 2nd number: 42/56
75/10 + 42/56 is 33/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 10 × 28 = 280,
75/10 = 75 × 28/10 × 28 = 2100/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
42/56 = 42 × 5/56 × 5 = 210/280 - Add the two like fractions:
2100/280 + 210/280 = 2100 + 210/280 = 2310/280 - 2310/280 simplified gives 33/4
- So, 75/10 + 42/56 = 33/4
In mixed form: 81/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/10+84/56 75/20+42/56 75/30+42/56 75/50+42/56 75/70+42/56