Add 45/70 and 90/60
1st number: 45/70, 2nd number: 1 30/60
45/70 + 90/60 is 15/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
45/70 = 45 × 6/70 × 6 = 270/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
90/60 = 90 × 7/60 × 7 = 630/420 - Add the two like fractions:
270/420 + 630/420 = 270 + 630/420 = 900/420 - 900/420 simplified gives 15/7
- So, 45/70 + 90/60 = 15/7
In mixed form: 21/7
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Related: 90/70+90/60