Add 42/10 and 21/35, Solve 4 2/10 + 21/35 as a fraction

Add 42/10 and 21/35

1^st number: 4 2/10, 2^nd number: 21/35

42/10 + 21/35 is 24/5.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 35 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 10 × 7 = 70,
42/10 = 42 × 7/10 × 7 = 294/70
Likewise, for the 2nd fraction, since 35 × 2 = 70,
21/35 = 21 × 2/35 × 2 = 42/70
Add the two like fractions:
294/70 + 42/70 = 294 + 42/70 = 336/70
336/70 simplified gives 24/5
So, 42/10 + 21/35 = 24/5
In mixed form: 44/5

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