Solutions by everydaycalculation.com

1^{st} number: 21 0/2, 2^{nd} number: 3/90

422 - 390 is 62930.

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

LCM of 2 and 90 is**90**

Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,

422 = 42 × 452 × 45 = 189090 - Likewise, for the 2nd fraction, since 90 × 1 = 90,

390 = 3 × 190 × 1 = 390 - Subtract the two like fractions:

189090 - 390 = 1890 - 390 = 188790 - After reducing the fraction, the answer is 62930
- In mixed form: 202930

MathStep (Works offline)

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

Android and iPhone/ iPad

Related: ^{84}/_{2}-^{3}/_{90} ^{42}/_{2}-^{6}/_{90} ^{42}/_{4}-^{3}/_{90} ^{42}/_{2}-^{9}/_{90} ^{42}/_{6}-^{3}/_{90} ^{42}/_{2}-^{15}/_{90} ^{42}/_{10}-^{3}/_{90} ^{42}/_{2}-^{21}/_{90} ^{42}/_{14}-^{3}/_{90}

© everydaycalculation.com