Add 12/10 and 72/84
1st number: 1 2/10, 2nd number: 72/84
12/10 + 72/84 is 72/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
12/10 = 12 × 42/10 × 42 = 504/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
72/84 = 72 × 5/84 × 5 = 360/420 - Add the two like fractions:
504/420 + 360/420 = 504 + 360/420 = 864/420 - 864/420 simplified gives 72/35
- So, 12/10 + 72/84 = 72/35
In mixed form: 22/35
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