Add 75/40 and 70/42, Solve 1 35/40 + 1 28/42 as a fraction

Add 75/40 and 70/42

1^st number: 1 35/40, 2^nd number: 1 28/42

75/40 + 70/42 is 85/24.

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

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 40 × 21 = 840,
75/40 = 75 × 21/40 × 21 = 1575/840
Likewise, for the 2nd fraction, since 42 × 20 = 840,
70/42 = 70 × 20/42 × 20 = 1400/840
Add the two like fractions:
1575/840 + 1400/840 = 1575 + 1400/840 = 2975/840
2975/840 simplified gives 85/24
So, 75/40 + 70/42 = 85/24
In mixed form: 313/24

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