Add 90/12 and 24/20
1st number: 7 6/12, 2nd number: 1 4/20
90/12 + 24/20 is 87/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
90/12 = 90 × 5/12 × 5 = 450/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
24/20 = 24 × 3/20 × 3 = 72/60 - Add the two like fractions:
450/60 + 72/60 = 450 + 72/60 = 522/60 - 522/60 simplified gives 87/10
- So, 90/12 + 24/20 = 87/10
In mixed form: 87/10
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