Add 20/35 and 75/90
20/35 + 75/90 is 59/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
20/35 = 20 × 18/35 × 18 = 360/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
75/90 = 75 × 7/90 × 7 = 525/630 - Add the two like fractions:
360/630 + 525/630 = 360 + 525/630 = 885/630 - 885/630 simplified gives 59/42
- So, 20/35 + 75/90 = 59/42
In mixed form: 117/42
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