Add 7/40 and 72/45, Solve 7/40 + 1 27/45 as a fraction

Add 7/40 and 72/45

1^st number: 7/40, 2^nd number: 1 27/45

7/40 + 72/45 is 71/40.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 40 × 9 = 360,
7/40 = 7 × 9/40 × 9 = 63/360
Likewise, for the 2nd fraction, since 45 × 8 = 360,
72/45 = 72 × 8/45 × 8 = 576/360
Add the two like fractions:
63/360 + 576/360 = 63 + 576/360 = 639/360
639/360 simplified gives 71/40
So, 7/40 + 72/45 = 71/40
In mixed form: 131/40

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