Solutions by everydaycalculation.com

1^{st} number: 7 0/10, 2^{nd} number: 21/40

7010 + 2140 is 30140.

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

LCM of 10 and 40 is**40**

Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,

7010 = 70 × 410 × 4 = 28040 - Likewise, for the 2nd fraction, since 40 × 1 = 40,

2140 = 21 × 140 × 1 = 2140 - Add the two like fractions:

28040 + 2140 = 280 + 2140 = 30140 - So, 70/10 + 21/40 = 301/40

In mixed form: 72140

MathStep (Works offline)

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

Android and iPhone/ iPad

Related: ^{70}/_{10}+^{42}/_{40} ^{70}/_{20}+^{21}/_{40} ^{70}/_{10}+^{21}/_{80} ^{70}/_{10}+^{63}/_{40} ^{70}/_{30}+^{21}/_{40} ^{70}/_{50}+^{21}/_{40}

© everydaycalculation.com