Add 54/72 and 75/70, Solve 54/72 + 1 5/70 as a fraction

Add 54/72 and 75/70

1^st number: 54/72, 2^nd number: 1 5/70

54/72 + 75/70 is 51/28.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 70 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 72 × 35 = 2520,
54/72 = 54 × 35/72 × 35 = 1890/2520
Likewise, for the 2nd fraction, since 70 × 36 = 2520,
75/70 = 75 × 36/70 × 36 = 2700/2520
Add the two like fractions:
1890/2520 + 2700/2520 = 1890 + 2700/2520 = 4590/2520
4590/2520 simplified gives 51/28
So, 54/72 + 75/70 = 51/28
In mixed form: 123/28

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