Solutions by everydaycalculation.com

542 + 856 is 1142.

- Find the least common denominator or LCM of the two denominators:

LCM of 42 and 56 is**168**

Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,

542 = 5 × 442 × 4 = 20168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,

856 = 8 × 356 × 3 = 24168 - Add the two like fractions:

20168 + 24168 = 20 + 24168 = 44168 - 44/168 simplified gives 1142
- So, 5/42 + 8/56 = 11/42

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:

Android and iPhone/ iPad

Related: ^{10}/_{42}+^{8}/_{56} ^{5}/_{42}+^{16}/_{56} ^{5}/_{84}+^{8}/_{56} ^{15}/_{42}+^{8}/_{56} ^{5}/_{42}+^{24}/_{56} ^{25}/_{42}+^{8}/_{56} ^{5}/_{42}+^{40}/_{56} ^{35}/_{42}+^{8}/_{56}

© everydaycalculation.com