Add 81/4 and 60/70
1st number: 20 1/4, 2nd number: 60/70
81/4 + 60/70 is 591/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 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 70 × 2 = 140,
60/70 = 60 × 2/70 × 2 = 120/140 - Add the two like fractions:
2835/140 + 120/140 = 2835 + 120/140 = 2955/140 - 2955/140 simplified gives 591/28
- So, 81/4 + 60/70 = 591/28
In mixed form: 213/28
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