Add 90/70 and 70/36
1st number: 1 20/70, 2nd number: 1 34/36
90/70 + 70/36 is 407/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 70 × 18 = 1260,
90/70 = 90 × 18/70 × 18 = 1620/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
70/36 = 70 × 35/36 × 35 = 2450/1260 - Add the two like fractions:
1620/1260 + 2450/1260 = 1620 + 2450/1260 = 4070/1260 - 4070/1260 simplified gives 407/126
- So, 90/70 + 70/36 = 407/126
In mixed form: 329/126
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