Add 72/6 and 49/40, Solve 12 0/6 + 1 9/40 as a fraction

Add 72/6 and 49/40

1^st number: 12 0/6, 2^nd number: 1 9/40

72/6 + 49/40 is 529/40.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 6 × 20 = 120,
72/6 = 72 × 20/6 × 20 = 1440/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
49/40 = 49 × 3/40 × 3 = 147/120
Add the two like fractions:
1440/120 + 147/120 = 1440 + 147/120 = 1587/120
1587/120 simplified gives 529/40
So, 72/6 + 49/40 = 529/40
In mixed form: 139/40

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