Solutions by everydaycalculation.com

1^{st} number: 1 10/20, 2^{nd} number: 7/84

3020 + 784 is 1912.

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

LCM of 20 and 84 is**420**

Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,

3020 = 30 × 2120 × 21 = 630420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,

784 = 7 × 584 × 5 = 35420 - Add the two like fractions:

630420 + 35420 = 630 + 35420 = 665420 - 665/420 simplified gives 1912
- So, 30/20 + 7/84 = 19/12

In mixed form: 1712

MathStep (Works offline)

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

Android and iPhone/ iPad

Related: ^{60}/_{20}+^{7}/_{84} ^{30}/_{20}+^{14}/_{84} ^{30}/_{40}+^{7}/_{84} ^{90}/_{20}+^{7}/_{84} ^{30}/_{20}+^{21}/_{84} ^{30}/_{60}+^{7}/_{84} ^{30}/_{20}+^{35}/_{84} ^{30}/_{20}+^{49}/_{84}

© everydaycalculation.com