Add 49/70 and 81/30
1st number: 49/70, 2nd number: 2 21/30
49/70 + 81/30 is 17/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
49/70 = 49 × 3/70 × 3 = 147/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
81/30 = 81 × 7/30 × 7 = 567/210 - Add the two like fractions:
147/210 + 567/210 = 147 + 567/210 = 714/210 - 714/210 simplified gives 17/5
- So, 49/70 + 81/30 = 17/5
In mixed form: 32/5
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