Solutions by everydaycalculation.com

1^{st} number: 1 6/21, 2^{nd} number: 27/60

2721 + 2760 is 243140.

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

LCM of 21 and 60 is**420**

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

2721 = 27 × 2021 × 20 = 540420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,

2760 = 27 × 760 × 7 = 189420 - Add the two like fractions:

540420 + 189420 = 540 + 189420 = 729420 - 729/420 simplified gives 243140
- So, 27/21 + 27/60 = 243/140

In mixed form: 1103140

MathStep (Works offline)

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

Android and iPhone/ iPad

Related: ^{54}/_{21}+^{27}/_{60} ^{27}/_{21}+^{54}/_{60} ^{27}/_{42}+^{27}/_{60} ^{81}/_{21}+^{27}/_{60} ^{27}/_{21}+^{81}/_{60} ^{27}/_{63}+^{27}/_{60}

© everydaycalculation.com