Add 48/42 and 84/40, Solve 1 6/42 + 2 4/40 as a fraction

Add 48/42 and 84/40

1^st number: 1 6/42, 2^nd number: 2 4/40

48/42 + 84/40 is 227/70.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 40 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 42 × 20 = 840,
48/42 = 48 × 20/42 × 20 = 960/840
Likewise, for the 2nd fraction, since 40 × 21 = 840,
84/40 = 84 × 21/40 × 21 = 1764/840
Add the two like fractions:
960/840 + 1764/840 = 960 + 1764/840 = 2724/840
2724/840 simplified gives 227/70
So, 48/42 + 84/40 = 227/70
In mixed form: 317/70

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