Add 70/60 and 90/35
1st number: 1 10/60, 2nd number: 2 20/35
70/60 + 90/35 is 157/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
70/60 = 70 × 7/60 × 7 = 490/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
90/35 = 90 × 12/35 × 12 = 1080/420 - Add the two like fractions:
490/420 + 1080/420 = 490 + 1080/420 = 1570/420 - 1570/420 simplified gives 157/42
- So, 70/60 + 90/35 = 157/42
In mixed form: 331/42
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