Add 45/21 and 35/30
1st number: 2 3/21, 2nd number: 1 5/30
45/21 + 35/30 is 139/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
45/21 = 45 × 10/21 × 10 = 450/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
35/30 = 35 × 7/30 × 7 = 245/210 - Add the two like fractions:
450/210 + 245/210 = 450 + 245/210 = 695/210 - 695/210 simplified gives 139/42
- So, 45/21 + 35/30 = 139/42
In mixed form: 313/42
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