Add 20/10 and 42/72
1st number: 2 0/10, 2nd number: 42/72
20/10 + 42/72 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
20/10 = 20 × 36/10 × 36 = 720/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
42/72 = 42 × 5/72 × 5 = 210/360 - Add the two like fractions:
720/360 + 210/360 = 720 + 210/360 = 930/360 - 930/360 simplified gives 31/12
- So, 20/10 + 42/72 = 31/12
In mixed form: 27/12
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