Add 70/20 and 98/8
1st number: 3 10/20, 2nd number: 12 2/8
70/20 + 98/8 is 63/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
70/20 = 70 × 2/20 × 2 = 140/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
98/8 = 98 × 5/8 × 5 = 490/40 - Add the two like fractions:
140/40 + 490/40 = 140 + 490/40 = 630/40 - 630/40 simplified gives 63/4
- So, 70/20 + 98/8 = 63/4
In mixed form: 153/4
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