Solutions by everydaycalculation.com

1st number: 21 0/2, 2nd number: 1 5/30

42/2 + 35/30 is 133/6.

1. Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 is 30
2. For the 1st fraction, since 2 × 15 = 30,
42/2 = 42 × 15/2 × 15 = 630/30
3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
35/30 = 35 × 1/30 × 1 = 35/30
630/30 + 35/30 = 630 + 35/30 = 665/30
5. 665/30 simplified gives 133/6
6. So, 42/2 + 35/30 = 133/6
In mixed form: 221/6

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