Add 7/40 and 45/30, Solve 7/40 + 1 15/30 as a fraction

Add 7/40 and 45/30

1^st number: 7/40, 2^nd number: 1 15/30

7/40 + 45/30 is 67/40.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 40 × 3 = 120,
7/40 = 7 × 3/40 × 3 = 21/120
Likewise, for the 2nd fraction, since 30 × 4 = 120,
45/30 = 45 × 4/30 × 4 = 180/120
Add the two like fractions:
21/120 + 180/120 = 21 + 180/120 = 201/120
201/120 simplified gives 67/40
So, 7/40 + 45/30 = 67/40
In mixed form: 127/40

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