Add 72/10 and 7/84, Solve 7 2/10 + 7/84 as a fraction

Add 72/10 and 7/84

1^st number: 7 2/10, 2^nd number: 7/84

72/10 + 7/84 is 437/60.

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,
72/10 = 72 × 42/10 × 42 = 3024/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
7/84 = 7 × 5/84 × 5 = 35/420
Add the two like fractions:
3024/420 + 35/420 = 3024 + 35/420 = 3059/420
3059/420 simplified gives 437/60
So, 72/10 + 7/84 = 437/60
In mixed form: 717/60

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