Add 72/10 and 63/80
1st number: 7 2/10, 2nd number: 63/80
72/10 + 63/80 is 639/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
72/10 = 72 × 8/10 × 8 = 576/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
63/80 = 63 × 1/80 × 1 = 63/80 - Add the two like fractions:
576/80 + 63/80 = 576 + 63/80 = 639/80 - So, 72/10 + 63/80 = 639/80
In mixed form: 779/80
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