Add 90/12 and 72/30
1st number: 7 6/12, 2nd number: 2 12/30
90/12 + 72/30 is 99/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 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 30 × 2 = 60,
72/30 = 72 × 2/30 × 2 = 144/60 - Add the two like fractions:
450/60 + 144/60 = 450 + 144/60 = 594/60 - 594/60 simplified gives 99/10
- So, 90/12 + 72/30 = 99/10
In mixed form: 99/10
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