Add 45/42 and 25/30
1st number: 1 3/42, 2nd number: 25/30
45/42 + 25/30 is 40/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
45/42 = 45 × 5/42 × 5 = 225/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
25/30 = 25 × 7/30 × 7 = 175/210 - Add the two like fractions:
225/210 + 175/210 = 225 + 175/210 = 400/210 - 400/210 simplified gives 40/21
- So, 45/42 + 25/30 = 40/21
In mixed form: 119/21
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