Add 72/80 and 42/10
1st number: 72/80, 2nd number: 4 2/10
72/80 + 42/10 is 51/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
72/80 = 72 × 1/80 × 1 = 72/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
42/10 = 42 × 8/10 × 8 = 336/80 - Add the two like fractions:
72/80 + 336/80 = 72 + 336/80 = 408/80 - 408/80 simplified gives 51/10
- So, 72/80 + 42/10 = 51/10
In mixed form: 51/10
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