Solutions by everydaycalculation.com

145 + 2742 is 419630.

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

LCM of 45 and 42 is**630**

Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,

145 = 1 × 1445 × 14 = 14630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,

2742 = 27 × 1542 × 15 = 405630 - Add the two like fractions:

14630 + 405630 = 14 + 405630 = 419630 - So, 1/45 + 27/42 = 419/630

MathStep (Works offline)

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

Android and iPhone/ iPad

Related: ^{2}/_{45}+^{27}/_{42} ^{1}/_{45}+^{54}/_{42} ^{1}/_{90}+^{27}/_{42} ^{1}/_{45}+^{27}/_{84} ^{3}/_{45}+^{27}/_{42} ^{1}/_{45}+^{81}/_{42} ^{5}/_{45}+^{27}/_{42} ^{7}/_{45}+^{27}/_{42}

© everydaycalculation.com