Add 84/30 and 72/49
1st number: 2 24/30, 2nd number: 1 23/49
84/30 + 72/49 is 1046/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 49 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
84/30 = 84 × 49/30 × 49 = 4116/1470 - Likewise, for the 2nd fraction, since 49 × 30 = 1470,
72/49 = 72 × 30/49 × 30 = 2160/1470 - Add the two like fractions:
4116/1470 + 2160/1470 = 4116 + 2160/1470 = 6276/1470 - 6276/1470 simplified gives 1046/245
- So, 84/30 + 72/49 = 1046/245
In mixed form: 466/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60+72/49 84/30+72/98 84/90+72/49