Add 72/30 and 98/70
1st number: 2 12/30, 2nd number: 1 28/70
72/30 + 98/70 is 19/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
72/30 = 72 × 7/30 × 7 = 504/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
98/70 = 98 × 3/70 × 3 = 294/210 - Add the two like fractions:
504/210 + 294/210 = 504 + 294/210 = 798/210 - 798/210 simplified gives 19/5
- So, 72/30 + 98/70 = 19/5
In mixed form: 34/5
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