Add 81/4 and 70/35
1st number: 20 1/4, 2nd number: 2 0/35
81/4 + 70/35 is 89/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
81/4 = 81 × 35/4 × 35 = 2835/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
70/35 = 70 × 4/35 × 4 = 280/140 - Add the two like fractions:
2835/140 + 280/140 = 2835 + 280/140 = 3115/140 - 3115/140 simplified gives 89/4
- So, 81/4 + 70/35 = 89/4
In mixed form: 221/4
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