Add 42/10 and 40/56
1st number: 4 2/10, 2nd number: 40/56
42/10 + 40/56 is 172/35.
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,
42/10 = 42 × 28/10 × 28 = 1176/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
40/56 = 40 × 5/56 × 5 = 200/280 - Add the two like fractions:
1176/280 + 200/280 = 1176 + 200/280 = 1376/280 - 1376/280 simplified gives 172/35
- So, 42/10 + 40/56 = 172/35
In mixed form: 432/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+40/56 42/10+80/56 42/20+40/56 42/30+40/56 42/50+40/56 42/70+40/56