Solutions by everydaycalculation.com

1^{st} number: 1 3/42, 2^{nd} number: 16/20

4542 + 1620 is 13170.

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

LCM of 42 and 20 is**420**

Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,

4542 = 45 × 1042 × 10 = 450420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,

1620 = 16 × 2120 × 21 = 336420 - Add the two like fractions:

450420 + 336420 = 450 + 336420 = 786420 - 786/420 simplified gives 13170
- So, 45/42 + 16/20 = 131/70

In mixed form: 16170

MathStep (Works offline)

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

Android and iPhone/ iPad

Related: ^{90}/_{42}+^{16}/_{20} ^{45}/_{42}+^{32}/_{20} ^{45}/_{84}+^{16}/_{20} ^{45}/_{42}+^{16}/_{40} ^{45}/_{42}+^{48}/_{20} ^{45}/_{42}+^{16}/_{60} ^{45}/_{42}+^{80}/_{20}

© everydaycalculation.com