Add 90/70 and 70/48
1st number: 1 20/70, 2nd number: 1 22/48
90/70 + 70/48 is 461/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 48 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 70 × 24 = 1680,
90/70 = 90 × 24/70 × 24 = 2160/1680 - Likewise, for the 2nd fraction, since 48 × 35 = 1680,
70/48 = 70 × 35/48 × 35 = 2450/1680 - Add the two like fractions:
2160/1680 + 2450/1680 = 2160 + 2450/1680 = 4610/1680 - 4610/1680 simplified gives 461/168
- So, 90/70 + 70/48 = 461/168
In mixed form: 2125/168
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