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

Add 28/42 and 75/40

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

28/42 + 75/40 is 61/24.

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,
28/42 = 28 × 20/42 × 20 = 560/840
Likewise, for the 2nd fraction, since 40 × 21 = 840,
75/40 = 75 × 21/40 × 21 = 1575/840
Add the two like fractions:
560/840 + 1575/840 = 560 + 1575/840 = 2135/840
2135/840 simplified gives 61/24
So, 28/42 + 75/40 = 61/24
In mixed form: 213/24

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