Add 15/70 and 45/48
15/70 + 45/48 is 129/112.
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,
15/70 = 15 × 24/70 × 24 = 360/1680 - Likewise, for the 2nd fraction, since 48 × 35 = 1680,
45/48 = 45 × 35/48 × 35 = 1575/1680 - Add the two like fractions:
360/1680 + 1575/1680 = 360 + 1575/1680 = 1935/1680 - 1935/1680 simplified gives 129/112
- So, 15/70 + 45/48 = 129/112
In mixed form: 117/112
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