Add 21/35 and 45/30
1st number: 21/35, 2nd number: 1 15/30
21/35 + 45/30 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
21/35 = 21 × 6/35 × 6 = 126/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
45/30 = 45 × 7/30 × 7 = 315/210 - Add the two like fractions:
126/210 + 315/210 = 126 + 315/210 = 441/210 - 441/210 simplified gives 21/10
- So, 21/35 + 45/30 = 21/10
In mixed form: 21/10
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