Add 4/40 and 72/10, Solve 4/40 + 7 2/10 as a fraction

Add 4/40 and 72/10

1^st number: 4/40, 2^nd number: 7 2/10

4/40 + 72/10 is 73/10.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40

Next, find the equivalent fraction of both fractional numbers with denominator 40
For the 1st fraction, since 40 × 1 = 40,
4/40 = 4 × 1/40 × 1 = 4/40
Likewise, for the 2nd fraction, since 10 × 4 = 40,
72/10 = 72 × 4/10 × 4 = 288/40
Add the two like fractions:
4/40 + 288/40 = 4 + 288/40 = 292/40
292/40 simplified gives 73/10
So, 4/40 + 72/10 = 73/10
In mixed form: 73/10

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