Add 90/60 and 20/80
1st number: 1 30/60, 2nd number: 20/80
90/60 + 20/80 is 7/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
90/60 = 90 × 4/60 × 4 = 360/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
20/80 = 20 × 3/80 × 3 = 60/240 - Add the two like fractions:
360/240 + 60/240 = 360 + 60/240 = 420/240 - 420/240 simplified gives 7/4
- So, 90/60 + 20/80 = 7/4
In mixed form: 13/4
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