Add 90/21 and 7/35, Solve 4 6/21 + 7/35 as a fraction

Add 90/21 and 7/35

1^st number: 4 6/21, 2^nd number: 7/35

90/21 + 7/35 is 157/35.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 35 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 21 × 5 = 105,
90/21 = 90 × 5/21 × 5 = 450/105
Likewise, for the 2nd fraction, since 35 × 3 = 105,
7/35 = 7 × 3/35 × 3 = 21/105
Add the two like fractions:
450/105 + 21/105 = 450 + 21/105 = 471/105
471/105 simplified gives 157/35
So, 90/21 + 7/35 = 157/35
In mixed form: 417/35

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