Add 72/98 and 48/56
72/98 + 48/56 is 78/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 56 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
72/98 = 72 × 4/98 × 4 = 288/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
48/56 = 48 × 7/56 × 7 = 336/392 - Add the two like fractions:
288/392 + 336/392 = 288 + 336/392 = 624/392 - 624/392 simplified gives 78/49
- So, 72/98 + 48/56 = 78/49
In mixed form: 129/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/98+96/56