Add 15/42 and 98/30
1st number: 15/42, 2nd number: 3 8/30
15/42 + 98/30 is 761/210.
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,
15/42 = 15 × 5/42 × 5 = 75/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
98/30 = 98 × 7/30 × 7 = 686/210 - Add the two like fractions:
75/210 + 686/210 = 75 + 686/210 = 761/210 - So, 15/42 + 98/30 = 761/210
In mixed form: 3131/210
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