Add 20/24 and 42/90
20/24 + 42/90 is 13/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
20/24 = 20 × 15/24 × 15 = 300/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
42/90 = 42 × 4/90 × 4 = 168/360 - Add the two like fractions:
300/360 + 168/360 = 300 + 168/360 = 468/360 - 468/360 simplified gives 13/10
- So, 20/24 + 42/90 = 13/10
In mixed form: 13/10
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