Add 72/42 and 98/30
1st number: 1 30/42, 2nd number: 3 8/30
72/42 + 98/30 is 523/105.
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,
72/42 = 72 × 5/42 × 5 = 360/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
98/30 = 98 × 7/30 × 7 = 686/210 - Add the two like fractions:
360/210 + 686/210 = 360 + 686/210 = 1046/210 - 1046/210 simplified gives 523/105
- So, 72/42 + 98/30 = 523/105
In mixed form: 4103/105
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