Add 25/30 and 70/21, Solve 25/30 + 3 7/21 as a fraction

Add 25/30 and 70/21

1^st number: 25/30, 2^nd number: 3 7/21

25/30 + 70/21 is 25/6.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 21 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 30 × 7 = 210,
25/30 = 25 × 7/30 × 7 = 175/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
70/21 = 70 × 10/21 × 10 = 700/210
Add the two like fractions:
175/210 + 700/210 = 175 + 700/210 = 875/210
875/210 simplified gives 25/6
So, 25/30 + 70/21 = 25/6
In mixed form: 41/6

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